What finally led Mexico to break off diplomatic relations with the United States and prepare for armed conflict?
A) The Republic of Texas began claiming land south of the Rio Grande.
B) The United States annexed Texas and claimed the land between the Nueces River and the Rio Grande.
C) The U.S. military began fighting for control over California harbors.
D) The U.S. government refused to grant rights of citizenship to people of Mexican descent living in Texas.
E) President Polk criticized the Mexican government in a scathing public address.

Question

Quizplus · Accepted Answer

The United States' annexation of Texas and claim of land between the Nueces River and the Rio Grande was the final straw for Mexico, leading to the break off of diplomatic relations and preparation for armed conflict. Mexico did not recognize Texas as an independent nation and viewed the U.S. annexation as a violation of their sovereignty.

What Finally Led Mexico to Break Off Diplomatic Relations with the United