She was the first black girl to go to an all white school. She had to be escorted in by police and other services so people wouldn't hurt her. Every time she went to school, she was constantly threatened, whether it be beating her up or killing her.
The congress was very powerful at the time and needed to be put in line. The two branches were created to control it. The remaining two branches were not specifically enumerated as thoroughly because they were still weak at the time and their power developed over time.
