Many say that Truman was justified in dropping the first bomb and it kept a land invasion of Japan from occurring but that he didn't give the Japanese enough time to surrender and that the second bomb was ethically problematic.
It outlawed the discriminatory voting practices adopted in many southern states after the Civil War, including literacy tests as a prerequisite to voting. This “act to enforce the fifteenth amendment to the Constitution” was signed into law 95 years after the amendment was ratified.
Slaves and Pottery. Slaves made the pyramids. Pottery was sometimes used to show stories like on the pyramid wall. They both advanced culture a little bit.