On April 21, 1836, Santa Anna was captured and forced to sign the Treaty of Velasco, in which he agreed to stop fighting the Texans. Which of these was the other major promise Santa Anna made in the Treaty of Velasco?
A.
to allow Texas to be a state with legal slavery
B.
to make the Rio Grande the official border
C.
to admit that the Mexican cause was wrong
D.
to support the independence of Texas