Answer:
The boycott and protest was led by Martin Luther King Jr and this was because of the discrimination of a black lady called Rosa Parks in a bus in Montgomery.She was arrested for not giving up her seat for a white person to use. The blacks decided to boycott the usage of the buses for several months. The boycott was later called off when the Supreme Court pointed out that the segregation was unconstitutional.
Yes, the citizens of Montgomery as well as those of the US Supreme Court was necessary for its success.
The Arab empire converted and unified pagan societies to Islam
After the Nazis conquered territory in Europe, they forced Jewish people to work as forced labor in the labor camps. The Jews were not even given proper amount of food. They were treated very badly and even had to work till they dropped dead. Those Jews that were unable to work were killed. I hope the answer helps you.
A federal banking system
Securities Bonds giving the government influx in money