Answer:
the draft
Explanation:
use of the draft was a good way to require assistance in time of war
Your answer would be A because the Emancipation Proclamation only freed the slaves in the south until the South decided to come back to the US.
At the time the government lied to the American public about the status of the ongoing Vietnam War, everyone thought that we were winning the war, until the new York times published the pentagon papers which showed the American public that wasn't the case.