<span>Black codes were restrictive laws designed to limit the freedom of African Americans and ensure their availability as a cheap labor force after slavery was abolished during the Civil War. Though the Union victory had given some 4 million slaves their freedom, the question of freed blacks’ status in the postwar South was still very much unresolved. Under black codes, many states required blacks to sign yearly labor contracts; if they refused, they risked being arrested, fined and forced into unpaid labor. Outrage over black codes helped undermine support for President Andrew Johnson and the Republican Party.</span>
Answer:
It helped Allies stop a German offensive and support a counteroffensive that led to Germany's defeat.
Explanation:
I'm not entirely sure of the answer, but through the process of elimination I've made my way here. I know it's not the first one, because although we had a poorly trained military, we were not short on supplies.
I know it's not the third one, because obviously the United States entering the war had an effect on it. Even though there was a German blockade we most likely could've gotten through it.
It's probably not four because saying that the United States entering the war immediately caused the capture of Berlin is a bit extreme- all though the United States entering the war caused it to end quickly, it was still around a year.
Because the art reflects what was going on in that era