Which amendment was affected most by the civil war? a) 15th amendment b) 19th amendment c) 21st amendment d) 26th amendment

The correct answer is A) 15th Amendment

The 15th Amendment gave African American men the right to vote even people who have been slaves. After the Civil War, the Union won and slavery was abolished by the thirteenth amendment and all races were considered equal, this way, the government was prohibited from denying a citizen the right to vote based on race, color or previous condition of servitude.

b)

it created free trade throughout the colonial territories.