4. Which of these statements is true? a. Martin Luther King organized the Montgomery bus boycott
b. Martin Luther King refused to give up his seat on a segregated bus
c. Martin Luther King helped end school segregation in Topeka, KS
d. Martin Luther King argued against segregation in front of the U. S. Supreme Court

All of them besides C

Explanation:

A. Martin Luther King organized the Montgomery bus boycott.

Explanation:

Martin Luther King Jr. was the first president of the Montgomery Improvement Association, which organized the Montgomery bus boycott of 1955. This began a chain reaction of similar boycotts throughout the South. In 1956, the Supreme Court voted to end segregated busing.

For more info visit: https://www.ushistory.org/us/54b.asp#:~:text=Martin%20Luther%20King%20Jr.,voted%20to%20end%20segregated%20busing.

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explanation:

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