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

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

Thank you.

It was wrong.

Right.

Ok. Thank you.

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

The correct answer is C.) Mexico moved troops into Texas.

To understand why Mexico moved troops into Texas after the United States voted to annex it as the 28th state, it is helpful to have knowledge of historical events and the context surrounding the annexation of Texas.

In 1836, Texas had declared its independence from Mexico, sparking the Texas Revolution. After a series of battles, Texas gained independence and became known as the Republic of Texas. However, Mexico did not recognize Texas as an independent nation and still considered it a rebellious Mexican territory.

The annexation of Texas by the United States was a contentious issue. Many Americans supported the idea of bringing Texas into the Union, while others opposed it due to concerns about the expansion of slaveholding states. Despite the controversy, the United States voted to annex Texas in 1845.

Mexico strongly protested the annexation of Texas by the United States. This move was seen as a violation of Mexico's sovereignty and a threat to its territorial integrity. As a response, Mexico moved troops into Texas, aiming to reinforce its authority in the region and possibly reclaim control over it.

The presence of Mexican troops in Texas heightened tensions between Mexico and the United States, eventually leading to the outbreak of the Mexican-American War in 1846. This war further contested the borders between Mexico and the United States and resulted in significant territorial losses for Mexico.

In conclusion, when the United States voted to annex Texas as the 28th state in 1845, Mexico responded by moving troops into Texas in an effort to assert its control and challenge the U.S. annexation.