Due to Martin Luther King's leadership, what was a major effect of the March on Washington?

The March on Washington helped create a new national understanding of the problems of racial and economic injustice. For one, it brought together demonstrators from around the country to share their respective encounters with labor discrimination and state-sponsored racism

The march is credited with helping to pass the Civil Rights Act of 1964. It preceded the Selma Voting Rights Movement, when national media coverage contributed to passage of the Voting Rights Act of 1965 that same year.

Explanation:

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on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.

"the attempts of the proletariat to rise above this abasement"