B: Naval warships covered with iron.
After the March on Washington, in 1964, the Civil Rights Act became law. However, this did not make it easier for African Americans to vote in the South. To bring attention to this struggle, Lewis and Hosea Williams led a march from Selma to Montgomery, Alabama, on March 7, 1965. (Based off of Gooogle)
Answer:They had suffered during the war and felt purposeless
Explanation:I got it right