When the United States voted in 1845 to annex Texas as the 28th state, Mexico

Question

A.)agreed to move its border to accommodate U.S. need
B.)broke off diplomatic relations
*C.)moved troops into Texas

Thank you.

Answer 1

Right.

Answer 2

Ok. Thank you.

Answer 3

It was wrong.

Answer 4

It's an ambiguous question. Mexico fought the U.S. after Texas was annexed to the U.S. However, first Mexico broke off relations.

http://history.state.gov/milestones/1830-1860/TexasAnnexation