What were the Montgomery bus drivers responsible for before Rosa parks?

In March 1955, nine months before Rosa Parks defied segregation laws by refusing to give up her seat to a white passenger on a bus in Montgomery, Alabama, 15-year-old Claudette Colvin did exactly the same thing. Eclipsed by Parks, her act of defiance was largely ignored for many years.

Claudette Colvin

She was arrested at the age of 15 in Montgomery, Alabama, for refusing to give up her seat to a white woman on a crowded, segregated bus.

peasants’ war, (1524–25) peasant uprising in germany inspired by changes brought by the reformation, peasants in western and southern germany invoked   divine law to demand agrarian rights and freedom from oppression by nobles and landlords. as the uprising spread, some peasant groups organized armies. although the revolt was supported huldrych zwingli and thomas müntzerits condemnation by martain luther contributed to its defeat, principally by the army of the swabian league. some 100,000 peasants were killed. reprisals and increased restrictions discouraged further attempts to improve the peasants’ plight.

i think it would be " a" i might be wrong tho

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.