By the time martin luther king jr. was assassinated, he had been a civil rights leader for more than ten years. decided to run in the next presidential election. led the democratic party for more than ten years. decided to lead a demonstration supporting the war.

The correct answer here is the first option.

Marin Luther King Jr. was a Baptist minister and one of the most famous civil rights leaders in the world. He fought to end the racial discrimination and segregation in the United States by advocating peaceful protest and peaceful activities that made the government address the issues that plagued the country.