Was the 16th street baptist church bombed before the birmingham campaign started, during the campaign, or after the campaign ended?

the images of war are haunting

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

the right answer is d