Personally the people who made the most impact are Harriet Tubman, Malcolm X and Martin Luther King Jr.

Harriet Tubman

Harriet Tubman was born a slave and escaped by herself.

she came back to the southern states to help escaped slaves.

Malcolm X protested in any way he could if it was violent or not.

he was killed by three hitman.

Martin Luther King Jr. lead a Montgomery bus boycott

Martin Luther King Jr gabe 2,500 speeches most famous is i have a dream