Answer:
Washington-on-the-Brazos
Explanation:
The official Texas Declaration of Independence from Mexico calling for a complete separation from Mexico and establishing a provisional government was signed in Washington-on-the-Brazos, the temporary capitol of the future Republic’s government.
The Texas Declaration of Independence from Mexico was signed on March 2, 1836 in Washington-on-the-Brazos which located along the Bravos River in Washington County, Texas.
