Because food, materials, and money were being used for the war, so they had to even it out to spend it where they needed it most.
The 13th, 14th, and 15th Amendments, known collectively as the Civil War Amendments, were designed to ensure equality for recently emancipated slaves. The 13th Amendment banned slavery and all involuntary servitude, except in the case of punishment for a crime.The 14th Amendment to the U.S. Constitution, ratified in 1868, granted citizenship to all persons born or naturalized in the United States—including former slaves—and guaranteed all citizens “equal protection of the laws.”The 15th Amendment to the Constitution granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude."
