Texas refrained from annexing because it would make the United States an uneven number of slave states and slave free states and they didn't want to upset Mexico.
Polk and Manifest Destiny (15.1)
The United States pays off the dept of 12 million dollar dept that Texas has.
Mex-American War Ends (15.3)
Fine! We will give the land!
Mexico never recognized Texas independence because they thought they owned Texas. They were also worried about there western assets as well.
Pearce Plan (15.3)
Many Americans, in the 1800s, believed it was the United States’ destiny to expand from coast to coast.
Our goal is to expand land from coast to coast!
Mexico ceded, or gave up, all of its territory between Texas and the Pacific Ocean in the treaty of Guadalupe Hidalgo.
Texas would give up claim to New Mexico in exchange for $10 million. The money was used to pay off Texas’ public debt. The Pearce Plan was adopted on September 9, 1850. Although Texas lost almost one-third of its territory under this plan.