Answer: A system of supportive federalism emerged, as the authorities of the federal government expanded
Federal government is used to describe the government of the United States as a whole.Federalism is the idea that in the US government power is divided between the government of the US and the government of the individual states. The national government is sometimes called federal government because technically US can be considered a federation of states
Ivan the terrible, or Ivan IV, was the first tsar of Russia. During his reign he gained lots of land through creating a centrally controlled government
All of the choices given were invented before 1840 except for the zipper. The zipper was invented in 189. The correct answer is B.
