The physics definition of period is the duration of one complete cycle of a wave or oscillation.
Federalism- a form of government where a group of states, territories, etc., are governed by one central power. Federalists- a member of the Federalist party. Dual Federalism-the federal government and the statesâ government have separate, but equal, powers.
Federalism in the United States is the evolving relationship between state governments and the federal government of the United States. American government has evolved from a system of dual federalism to one of associative federalism.n Canada, the system of federalism is described by the division of powers between the federal parliament and the country's provincial governments. Under the Constitution Act (previously known as the British North America Act) of 1867, specific powers of legislation are allotted.