They wanted to take the Mexican territory because...1) South wanted to expand slavery for its economical benefits 2) the gold rush in San Francisco boosted western migration to California 3) mostly northerners wanted to connect the whole US by railroad also for economical benefits
<span />
They were to receive $3 million U.S. dollars from the United States for their lands east of the Mississippi River.
Taj Mahal if im not mistaken
