Support for the Mexican-American War was most closely connected with support for which of these ideas?
a) Manifest Destiny
b) Transcendentalist Movement
c) Great Awakening
d) Monroe Doctrine
a) Manifest Destiny
Manifest Destiny was the belief that it was the United States' destiny and right to expand across the North American continent. The Mexican-American War was seen as a way to expand the territory of the United States, and therefore support for the war was often connected to the idea of Manifest Destiny.