Despite Kennedy's assassination in November of 1963, his proposal culminated in the Civil Rights Act of 1964, signed into law by President Lyndon Johnson just a few hours after House approval on July 2, 1964. The act outlawed segregation in businesses such as theaters, restaurants, and hotels.
b, a wouldn't make sense because in history in general people have tended to like meritocracy over aristocracy. C and D don't make sense because aristocracy doesn't include how hard a person works for a job