Answer:
Option: They created widespread national sympathy for the civil rights cause.
Explanation:
The Selma marches were held because of the injustice the African American was facing while registering themselves as voters in Alabama. The march was carried from Selma to Montgomery to demonstrate their injustice by walking 54 miles. This was one of the civil right movement in America, which caused an uproar in the nation, later on, President Lyndon Johnson passed the Voting Rights Act which prohibits discrimination in voting practices.
