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Chapter 9 – Expansion Leads to Conflict

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1 Chapter 9 – Expansion Leads to Conflict
Section Notes Video Expansion Leads to Conflict Manifest Destiny Texas Independence War with Mexico Maps American Trails West Oregon Divided Texas Revolution The Mexican-American War History Close-up The Battle of San Jacinto Quick Facts Images Causes and Effects of the Mexican-American War Visual Summary: Expansion Leads to Conflict A Day on the Trail The Long Tom Romanticizing Native American Life From Republic to State

2 Manifest Destiny Main Idea
Americans in large numbers followed trails to the West in the 1840s and 1850s. Reading Focus Why did Americans head west? What were the major western trails? How did the gold rush affect California? What were some major effects of westward migration?

3 Americans Head West Americans believed in manifest destiny, the idea that the nation had a God-given right to all of North America. Few gave thought to how manifest destiny would affect native peoples. Five groups that went west: 1. Mountain men went west to trap and trade. 2. Missionaries hoped to convert Native Americans to Christianity. 3. Lumberjacks and miners went to capitalize on timber and minerals. 4. Farmers moved west to farm vast, rich lands. 5. Entrepreneurs made their way to California.

4 Manifest Destiny

5 Manifest Destiny Activity
Look at the painting and list as many themes, messages, symbols as possible. What does the woman mean? What is in her hands? Why is there darkness in ½? Who are the groups of people? What about the animals shown? What else is shown?

6 Meaning of the Painting
Pictures were painted to encourage people to fulfill their Manifest Destiny. The picture below (Library of Congress LC-USZC4-668) shows 'America' floating over the Plains. She brings light to the dark and desolate landscape and shows the way for farmers, travelers, the stage-coach, the telegraph and the railway. Ahead of her wild animals, buffalo and Indians (the darkness) turn and run leaving the way clear for settlement.

7 How Settlers Went West:
There were three major trails to the West that settlers took. Each one had a specific purpose and route.

8 3 Major Western Trails The first major western trail was the Santa Fe Trail, which stretched 800 miles from Independence, Missouri, to the town of Santa Fe, the capital of Spanish New Mexico. It began as a trade route. 1. Santa Fe Trail The 2,000-mile Oregon Trail stretched from Independence, Missouri, to the rich farming lands of the Willamette Valley in Oregon. It was used by Native Americans, Lewis and Clark, fur traders and mountain men, and finally migrants. 2. Oregon Trail Between 1847 and 1853, some 16,000 Mormons migrated west following the 1,300-mile route that became known as the Mormon Trail. It ran from Nauvoo, Illinois, to Salt Lake City in present-day Utah. 3. Mormon Trail



11 News from Sutter’s Mill
In 1848 gold was discovered in the American River at John Sutter’s sawmill in northern California. When the news reached the rest of the United States, most thought it was a rumor. President James K. Polk talked about the gold discovery in his State of the Union address on December 5, 1848. Newspapers across the country printed the story, and thousands of Americans caught “gold fever.”

12 The Gold Rush California gold Getting there
The gold rush was a mass migration of miners and people who made money from the miners to California. The migrants who left for California in 1849 were called forty-niners. Golden dreams brought people from all over the world, but 80 percent came from the United States. Getting there By land following the California Trail is how most of the migrants moved to California to look for gold. By 1854 as many as 300,000 people had migrated to California. Review: How many people are needed to become a state?


14 Booming cities When most miners reached California, they moved into mining camps in the gold fields. Many other groups—especially businesspeople—settled in cities. San Francisco, the port nearest the gold fields, grew from 800 people in 1848 to some 25,000 the next year. (stop) Think about what would happen if Topeka grew that fast? Stockton and Sacramento also grew rapidly during the gold rush.

15 2 Major Effects of Westward Migration
1. The Oregon Treaty 1844 Presidential candidate James K. Polk promised to get the Oregon Country for the United States even if it meant war. The United States and Britain had both controlled Oregon since 1818. Polk won and made a treaty with Britain, that set the boundary between the United States and British Canada at the 49th parallel. 2. Communication Links Westward migration also led to the need for business, government, and personal communication over long distances. Butterfield stagecoaches went between St. Louis and San Francisco on a two-week trip with mail and people. Pony Express mail service used relays of young riders on fast horses between Missouri and California.


17 Texas Independence The Main Idea
American settlers in Texas revolted against the Mexican government and created the independent Republic of Texas. Reading Focus What system did the Spanish use to settle Texas? How did Americans begin to move into Texas? What were the causes and effects of the Texas Revolution?

18 The Spanish Settle Texas: Background
The original inhabitants were Native Americans, living in Texas for thousands of years. The Spanish explorers were the first Europeans to visit Texas, as early as the 1500s. Spain claimed Texas based on these explorations. Finding little wealth in the region, they made no attempt to settle permanently. In 1689, the Spanish discovered the ruins of a French fort built on the coast that had been destroyed by local Indians. Afraid that the French would try to claim the land, the Spanish came up with a plan to settle Texas.

19 The Spanish Settle Texas: The Plan
The mission system The Spanish attempted to settle Texas by building missions, small settlements meant to convert the Indians to Christianity. The Spanish had effectively used the mission system in Mexico. They built two dozen missions between the late 1600s and 1700s; they also built San Antonio. Despite Spanish hopes, the missions failed and the towns never flourished. Why the mission system ends Native Americans rejected mission life, because they were expected to give up their culture AND their religion. Some Indian groups saw the Spanish as trespassers, attacking the missions and towns. The system was meant to convert the Indians and to stop French claims. In 1762, France gave to Spain most of its land in North America. By 1800, Spain still claimed Texas, but had only three settlements in the area.

20 Americans Move into Texas
Moses Austin In 1820, Austin made a deal with Spanish colonial officials that, in exchange for land, he would build a colony in Texas. The Spanish agreed, but Austin died before he could start. His son, Stephen F. Austin, would carry out his deal. By 1824 about 300 families lived on farms and ranches throughout Austin’s colony. Mexican independence and the empresarios Mexico gained its independence in The new government wanted Texas settled. They gave large amounts of land to empresarios, contractors who recruited settlers and established colonies. Austin was the most successful of the empresarios. By 1830, Texas had more than a dozen colonies with 30,000 settlers. Including several thousand enslaved Africans and 4,000 Tejanos, or Texans of Mexican heritage.

21 International tensions
The Texas Revolution American settlers in Texas had to agree to certain conditions in exchange for receiving land. They had to give up their American citizenship; swear allegiance to Mexico; adopt the Roman Catholic religion; and hold the land for seven years. The settlers ignored the Mexican rules. They kept bringing in slaves, even after Mexico outlawed slavery. Settlers were still Americans, not Mexican. In 1830, Mexico passed a law halting American immigration and sent troops to Texas to enforce it. Tensions in Texas Mexican officials suspected that the U.S. wanted to get Texas. Originally it was part of the Louisiana Purchase, but the U.S. had dropped its claim to it. But when the U. S. offered to buy a large part of Texas for $1 million, Mexicans refused, and their fears of U.S. plans were confirmed. International tensions

22 The Texas Revolution Begins
Tensions between settlers, now calling themselves Texans, and the Mexican government grew continually worse. After several bloody protests, Texans held meetings to discuss the best course of action. A plan to make Texas a separate Mexican state failed. The new Mexican president, Antonio López de Santa Anna, supported a strong central government and enforced new laws banning state militias. War came when violence erupted at Gonzales over possession of a cannon. Though small, it was the first battle of the Texas Revolution, and hopes for a peaceful resolution between the Texans and Mexico were gone. At a meeting, called the Consultation, the settlers founded a government and asked Sam Houston to raise an army.

23 From the Alamo to Independence
Rebel Texan forces captured San Antonio, which contained a fort called the Alamo. Santa Anna led an army into Texas to punish the rebels and stop the protests for good. The Alamo On February 23, 1836, Santa Anna’s force of 6,000 soldiers reached San Antonio. Santa Anna’s demand to surrender was returned by cannon fire from William Travis. The Mexican army laid siege to the fort, for 12 days and nights. The fort was finally stormed, with nearly all defenders killed. Santa Anna While the Alamo was under siege, a small group of Texans met at Washington-on-the-Brazos to issue the Texas Declaration of Independence. They wrote a constitution for the new, independent nation. March 2, 1836

24 Fighting for Independence
The Runaway Scrape Santa Anna’s army continued to defeat the Texan rebels. Prisoners were held in the fort at Goliad. After Mexican soldiers executed 340 prisoners at Goliad, Houston retreated to the east with his poorly trained army. Word of Houston’s retreat and the news of the Goliad Massacre started a panic. In what would be called the Runaway Scrape, thousands of Texans, including many Tejanos, fled Santa Anna’s advancing army. Texans victorious Santa Anna’s army followed Houston’s forces to San Jacinto, where Houston managed to take the Mexican army by surprise. Texans shouted, “Remember the Alamo!” and “Remember Goliad!” as they won a quick victory. The captured Santa Anna was forced to sign the Treaties of Velasco, ending the war. Mexico had to withdraw its troops and recognize Texas independence. Problems with Mexico continued for the Republic of Texas.



27 Soon after annexing Texas, the United States declared war on Mexico.
War with Mexico The Main Idea Soon after annexing Texas, the United States declared war on Mexico. Reading Focus What were the arguments for and against the annexation of Texas? What created tensions between the United States and Mexico in the 1840s? What were the causes and effects of the Mexican-American War?

28 The Annexation of Texas
Proponents Americans who believed in Manifest Destiny wanted to admit Texas to the Union. Supporters viewed the Texas Revolution like the American Revolution. Southerners supported annexation because Texas allowed slavery, and its admission would boost the South’s political power. Opponents Americans were concerned that the U.S. would have to pay the large Texas debt. Northerners opposed annexation because it would spread slavery westward and increase slave states’ voting power in Congress. A major argument in Congress was that the Constitution said nothing about admitting an independent nation.

29 The Annexation of Texas
A Republic for nine years The annexation question was a significant issue in the 1844 presidential election. When James K. Polk, the pro-annexation candidate, won, Mexico warned that it would consider the annexation of Texas as a declaration of war. Tyler signs the joint resolution Outgoing president John Tyler signed the joint resolution of Congress into law just three days before the end of his term, in March 1845. Texas becomes a state Voters in Texas overwhelmingly approved annexation, and Texas became a part of the United States on December 29, 1845.


31 Tensions between the United States and Mexico
The annexation of Texas enraged the Mexican government. Mexico had refused to recognize the Republic of Texas, and they broke off diplomatic ties with the U.S. after the vote for annexation. Mexico responds In March 1845, James K. Polk became president. He wanted the nation to acquire the land between Texas and the Pacific Ocean. These sparsely populated territories, New Mexico and California, belonged to Mexico. Polk sought an opportunity to acquire these remote regions. Polk and Manifest Destiny The U.S. needed to secure the boundary between Texas and Mexico. Texans put the border at the Rio Grande. Mexico maintained it was at the Nueces River. There were also disputes about money, and Polk wanted these issues resolved. The boundary dispute

32 Slidell’s Trip In the fall of 1845, Polk sent a special representative to Mexico. John Slidell arrived with a U.S. offer to cancel the $3 million in claims against Mexico in exchange for Mexico’s recognition of the Rio Grande as its boundary with the U.S. He was also told to pay Mexico up to $30 million to purchase New Mexico and California for the United States. Neither of the rivals for Mexico’s presidency would meet with him. An angry Slidell recommended to Polk that Mexico be punished.

33 The Mexican-American War
While Slidell was in Mexico, Polk ordered General Zachary Taylor to take his troops into the disputed border territory. The U.S. used the event of a minor fight to declare war on Mexico. The war starts American forces under Taylor advanced into northern Mexico. General Winfield Scott marched his forces into Mexico City. In a matter of months, U.S. forces had captured New Mexico and California. When their capital fell, the Mexican government was forced to give in. Fighting the war The Treaty of Guadalupe Hildago (1848) forced Mexico to turn over a huge tract of land known as the Mexican Cession, while the U.S. paid Mexico $15 million. Debate continues over whether the Mexican-American War was justified. Results of the war





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