The Thirteenth Amendment had the greatest impact because it placed a ban on slavery or involuntary servitude, and opened a path to racial equality. Although the Fourteenth Amendment (which grants citizenship and protection to everyone born or naturalized in the United States) and Fifteenth Amendment (which grants suffrage—or right to vote—to every citizen of the United States, regardless of race or color) had a great impact, the Thirteenth Amendment had the greatest impact, not only on Americans, but on many people around the world—all human beings are equal and shouldn't be subjected to slavery because of their color.
The Reconstruction Amendments are the Thirteenth, Fourteenth, and Fifteenth amendments to the United States Constitution, passed between 1865 and 1870, the five years immediately following the Civil War. ... The Thirteenth Amendment (proposed and ratified in 1865) abolished slavery.
A variety of Federal programs, including the Clean Water Act, have delegated authority built in which means that the States enact the Federal programs.
