The landmark case Plessey v. Ferguson was significant because "<span>It showed that racial segregation was constitutional</span>" since this remained the case until Brown vs. Board of Education overturned it.
Answer:the war was started by the leaders of Germany and Austria-Hungary
Explanation:
<span>A slave revolt resulted in "Haiti" gaining independence from France, since the slaves were well outfitted with arms and were able to overpower the French forces. </span>