2. How did slavery contribute to Sam Houston being removed as Governor of Texas and being replaced by Edward Clark? A. Sam Houston did not support secession, while many Texans did because they wanted to keep slavery legal, B. Slavery was not good for the economy of Texas and Sam Houston supported secession. C. African-Americans were free in Texas and Sam Houston wanted to return them to slavery. D. Sam Houston wanted to form the Confederate States of America and keep slavery legal. 3. The Union Army of the United States attacked the Confederate Army at Fort Griffin in Texas on Septer​