Final answer:
Martin Luther King, Jr. was the young, charismatic leader of the successful Montgomery bus strike. His efforts, along with the Southern Christian Leadership Conference, led to the Supreme Court ruling against racially segregated seating on buses.
Step-by-step explanation:
The young, charismatic leader of the successful Montgomery bus strike was Martin Luther King, Jr. He, along with the Southern Christian Leadership Conference, organized protests and demonstrations against the unfair treatment and laws towards African Americans in the South. A major success of their efforts was the Montgomery Bus boycott, which ultimately led to the Supreme Court ruling that racially segregated seating on buses was unconstitutional.