Why did James K. Polk want to annex Texas?

Question

A. He was willing to give the Oregon Territory to Britain in exchange for Texas.
B. He was a strong believer in Manifest Destiny.
C. He had no choice but to follow public opinion.
D. He believed that Mexico would not object.

B?

Answer 1

Yes. President Polk had one mission as president, and that was what's called "Manifest Destiny".