D. It was the first bloodshed between Mexico and Texas.
Explanation:
The 1832 Battle of Velasco was fought between the Mexicans and Texians on June 25-26. This battle was the first military fight between the two in the Texas Revolution.
The fighting began with the attack of Fort Velasco by the Texian Militia. The Texians under John Austin defeated the Mexicans led by Domingo de Ugartechea, after a two-day fight.
