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 believe it is British Columbia, Canada.
Argentine soldier, statesman, and national hero who helped lead the revolutions against Spanish rule in Argentina (1812), Chile (1818), and Peru (1821).