What was the advantage of using the Convoy System during World War I
across the Atlantic Ocean?

A. It deterred U-Boats from attacking the group.

B. Ships could hide at night.

C. The convoys were undetectable by German pilots.

D. American ships could use radar to find U-Boats.

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches