1. How Border Security Changed Dennis Rees Teacher-Consultant Arizona Geographic Alliance

2. As you view the images, what changes in security do you see? Why did these changes occur? What changes in security do you think will happen in the future?

3. The Gadsden Purchase of 1853 created the current Arizona- Mexico border. This border was open and received little attention unless a problem arose.

4. Two early problems were Apache raiders and Mexican revolutionaries. rare-maps.com theshriek.net

5. The U.S. government response was to send in troops until the problem went away. commons.wikimedia.com

6. In 1924, the Border Patrol was created and immigration stations established. kvoa.com

7. borderlinesblog.com pbs.org

8. As tourism and immigration increased, changes in security were put in place. The first were fences. flicker.com

9. americansouthwest.com

10. Border crossing stations became larger. thefullwiki.org

11. arizona100.blogspot.com

12. During the Great Depression, Mexican immigration was discouraged. web.rps205.com

13. In fact, the federal government even implemented a program of voluntary and involuntary deportation of Mexican-Americans. latinlikeme-wordpress.com

14. In 1942, the Bracero Program was begun to attract temporary, legal immigration of labor and stem the tide of illegal immigration. hoguenews.com

15. Workers were documented, given identification papers, and allowed to move freely across the border to work, mostly in agriculture. The program was ended in 1967. homepages.wmich.edu

16. A period of illegal immigration began, which resulted in new measures, mostly in the form of better fences. time.com

17. However, new problems arose over time. borderlaw.blogspot.com tucsonsentinel.com

18. This resulted in even more security on the border by the federal government. First came the wall. environmentmagazine.org

19. mocp.org

20. As immigrants began to avoid these and crossed in more remote areas, deaths rose. azstarnet.com

21. Warning signs were posted. no-border-wall.com combojuarez.com

22. Border check points were set up further inland from the border. tucsonsentinel.com

23. Surveillance cameras were installed along the border, hispanicmpr.com

24. and drones were used to track the movement of people. militaryaerospace.com

25. After 2001, more measures were taken to make the border even more secure.

26. The wall was extended into even more remote areas. time.com

27. commons.wikimedia.org

28. National guardsmen were sent in to assist border patrol agents. cleveland.com

29. State agencies got involved. politicalpistachio.blogspot.com

30. Stronger warning signs went up. borderlandbeat.com

31. examiner.com

32. Even civilian groups got involved. teamamericapac.org

33. familysecuritymatters.org

34. At times, the message we sent about border security was mixed. Arizona Republic

36. At other times, it is very clear. Houston Chronicle

37. San Diego Union Tribune

39. Albany Times Union

40. The border is not the same as it was. What changes have you seen from these pictures? Why did these changes occur? What changes do you think will happen in the future?

41. Photograph and Image Credits Slide 4: rare-maps.com theshriek.net Slide 5: commons.wikimedia.com Slide 6: kvoa.com Slide 7: borderlinesblog.com pbs.org Slide 8: flicker.com Slide 9: americansouthwest.net Slide 10: thefullwiki.org Slide 11: arizona100.blogspot.com Slide 12: web.rps205.com Slide 13: latinlikeme.wordpress.com Slide 14: hoguenews.com Slide 15: homepages.wmich.edu Slide 16: time.com Slide17: borderlaw.blogspot.com tucsoncitizen.com Slide 18: environmentmagazine.org

42. Slide 19: mocp.org Slide 20: azstarnet.com Slide 21: no-border-wall.com combojuarez.com Slide 22: tucsoncitizen.com Slide 23: hispanicmpr.com Slide 24: militaryaerospace.com Slide 26: time.com Slide 27: commons.wikimedia.org Slide 28: cleveland.com Slide 29: politicalpistachio.blogspot.com Slide 30: borderlandbeat.com Slide 31: examiner.com Slide 32: teamamericapac.org Slide 33: familysecuritymatters.org Slide 34: Arizona Republic Slide 35: Arizona Republic Slide 36: Houston Chronicle Slide 37: San Diego Union Tribune Slide 38: San Diego Union Tribune Slide 39: Albany Times Union