Respuesta :
The correct answers are as followed:
1) C) Slaves had to be officially freed. - After the end of the Civil War, all Confederate states had to accept the 13th amendment. This amendment outlined slavery in the United States.
2) B) To ensure that Texas rejoined the Union appropriately- This meant the federal government would monitor the labor system in Texas, meaning that no person (especially former slaves) were forced to work against their will. Along with this, they helped to ensure that African-American men had the right to vote since this was implemented with the 15th amendment.
3) A)Citizenship- African-Americans wanted citizenship after the Civil War because citizenship guarantees rights for people. This includes freedom of speech, freedom of religion, right to vote, etc.