Co-exstitence this is because with out one u can't have the other
Option B is the right answer.
Darius is known as the King of the Persian empire. He became furious with the city-states of Greece because Athens (Greek city-state) tied up with other states to revolt against Persian rule. His anger led him to launch an armed force to defeat the Athenians. He thought his action of sending the army on the land of Athens would destroy the rebellious part of the empire. But the situation changed and the army of Darius was soon defeated in the hand of the Greek city-state in 490 B.C.
The answer should either be Sanction or Embargo.
The answer is C former slaves fighting in the Union army were essential to several Northern Victories.
Marcus Mosiah Garvey jr. urged for this separation because he wanted to unite all Africans in a country that they would govern on their own. This is what he founded the Universal Negro Improvement Association (UNIA) for.