Plessy vs Ferguson is the one I think. Research it on wiki to confirm.
Answer:
African-Americans fought for both sides, providing manpower to both the British and the revolutionaries.
Explanation:
established the principle that everyone is subject to the law, even the king, and guarantees the rights of individuals, the right to justice and the right to a fair trial.
The insistence of the United States on her trading rights was also important. Soon after the war began Britain, France, and their allies set up a naval blockade of Germany and Austria. Even food was contraband. ... Surely, the Americans argued, international law protected the right of one neutral to trade with another.
