8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Concept Development CFU Describe some Americans’ attitude toward westward expansion. The Mexican-American War was the “final stage” of Manifest Destiny. It was a war fought between the United States and Mexico over land that Mexico controlled. The war began because of a border dispute 1. The disputed area in _________is shown on the map. Mexico believed that the border was on the __________River. The United States believed it was at the _____ ____________River. President ______sent troops into the disputed __________. General ________ ______believed the United States had __________and saw this as a declaration of war. 1. Border Dispute: when two countries disagree over where the border is that separates their two countries. Objective: Students will examine the causes and consequences of the Mexican-American War and how it fulfilled Manifest Destiny.

8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Analyzing Different Perspectives Mexico has started this war. They have started this war and we must avenge the deaths of our fallen soldiers. America has started this war. They have invaded our land and forced our hand. Pair-Share: What is Polk not saying here? Is he justified (right) in asking Congress to declare war? ____________________

8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Concept Development After two years of war, the United States defeated Mexico and claimed the _________ ____________ territories as their own. The Treaty of ______________ _______________ ended the Mexican-American War. Mexico agreed to several terms with the United States: 1.They agreed to give up __________ and recognize the _____ _________ River as the border. 1.They gave up half of their territory (________ ____________). 2.The United States would pay $____ million.

8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Skill Development/Guided Practice: Cause and Effect __ Congress votes to annex (take) Texas. ___ The Treaty of Guadalupe Hidalgo takes the northern Mexican territories and adds them to the United States. ___ The United States Army captures Mexico City. ___ American forces move into disputed territory south of the Nueces River. ___ California is taken by the United States Army. ___ 1100 Mexican soldiers fight to defend Chapultepec. Six of them are remembered as Los Niños Heroes. ___ President Polk wants to expand the United States to the Pacific Ocean (Manifest Destiny).

8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Geography Practice United States in 1801

8 th Grade Social Science Describe the purpose, challenges, and economic incentives associated with westward expansion, including the concept of Manifest Destiny (e.g., the Lewis and Clark expedition, accounts of the removal of Indians, the Cherokees’ “Trail of Tears,” settlement of the Great Plains) and the territorial acquisitions that spanned numerous decades. Advanced Topic Closure/Independent Practice Discuss the Mexican-American War and whether or not it was justified. Be sure to discuss the following topics: Border dispute, James Polk, Treaty of Guadalupe Hidalgo, Santa Ana __________________________________________ The Mexican-American War “completed” Manifest Destiny by adding states such as California. The Mexican-American War will be on the test. Advanced Topic: Connect to other events (What is the legacy of the Mexican-American War?) – can-AmericanWar/a/The-Mexican-American- War.htm