I think it was the:
Civil Rights Act
The Civil Rights Act of 1957 was passed in order to make sure that all
Americans could exercise their right to vote. It was the first civil
rights legislation passed since reconstruction. Its enactment also came after African Americans were increasingly targeted with violence following the U.S. Supreme Court’s Brown v. Board of Education decision ending segregation in schools. The law showed a renewed national attention to
guaranteeing civil rights to all Americans. In addition, it established the Commission on Civil Rights, a federal oversight committee that examined opinions of the public and state laws regarding civil rights.
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Hope this helps :)
The upheaval was caused by widespread discontent with the French monarchy and the poor economic policies of King Louis XVI, who met his death by guillotine, as did his wife Marie Antoinette
