Note: Do not plagiarism. Question1: What conditions/factors on the Mexican side of the border made Mexico vulnerable to U.S. takeover of northern Mexico? Question 2: What conditions/factors on the U.S. side of the border motivated the U.S. to expand toward Mexico's northern territories? And Provide specific examples from a minimum of 3-course materials.

Note: Do not plagiarism. Question1: What conditions/factors on the Mexican side of the border made Mexico vulnerable to U.S. takeover of northern Mexico? Question 2: What conditions/factors on the U.S. side of the border motivated the U.S. to expand toward Mexico's northern territories? And Provide specific examples from a minimum of 3-course materials.