William the Conqueror was important because he established feudalism in Europe.
C. The best answer I can think of
Answer:
Federalism is a system of government in which the same territory is controlled by two levels of government. ... Both the national government and the smaller political subdivisions have the power to make laws and both have a certain level of autonomy from each other.
Explanation:
The correct answer is letter D
Explanation: For the Union and Confederacy it was a difficult moment of the war, the future of them was not clear. They did not know if could win because of the Battle of Shiloh, and all the difficult moments in that battle.
When the Union fought Confederation and took control of New Orleans. It was an important moment, because they could take control of Mississippi the largest port of Confederacy.
