Which of the following explains why national security was an issue in the annexation between Texas and the U.S.?(1 point) Responses Mexico did not agree to the validity of the Treaty of Velasco after the Texas Revolution. Mexico did not agree to the validity of the Treaty of Velasco after the Texas Revolution. Rangers moved to Texas to protect against an uprising if Mexico tried to rebel. Rangers moved to Texas to protect against an uprising if Mexico tried to rebel. Mexico thought that Santa Anna signed the Treaty of Velasco of his own free will. Mexico thought that Santa Anna signed the Treaty of Velasco of his own free will. Mexico agreed that the border of Texas was the Rio Grande, as the Treaty of Velasco stated.

Answer 1

The most appropriate response that explains why national security was an issue in the annexation between Texas and the U.S. is:

Mexico did not agree to the validity of the Treaty of Velasco after the Texas Revolution.

This is significant because Mexico's refusal to recognize the treaty created ongoing tensions and the potential for conflict, which raised concerns about national security for both Texas and the U.S.