Answer:
a - the treaty that ended the us Mexican war
Explanation:
The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, ended the Mexican-American War in favor of the United States. Mexico also gave up all claims to Texas and recognized the Rio Grande as America's southern boundary
I think the correct answer is c?
The new deal which was to help the farmer out during the great depression and during the dust bowl incident