Why did some citizens of the united states want to annex texas?

A. freedom of religion

B. to expand the cattle range

c. to go to war with Mexico

D. Manifest destiny

Mexico wanted to keep Texas, and Van Buren feared it would cause war. He also didn't want to add a new state to the Union that allowed slavery. People who wanted to annex Texas said it was the manifest destiny of the United States to spread from the Atlantic to the Pacific Ocean ... Congress voted to annex Texas.