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
Physical geography: Grassy hills / Dirt
Agriculture : Cash crops like cotton
Industry : Growing crops on farm land
The XYZ Affair was a diplomatic incident between the United States and France so D) France