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.
One of the most well-known examples of federalism is the United States. Learn what other countries use this type of government and how it works. slide 1 of 5. Federalism is a system of government that divides power between a political units and a central authority.Power is spread between a minimum of two units with powers divided between the parts.earn what other countries use this type of government and how it works. slide 1 of 5. Federalism is a system of government that divides power between a political units and a central authority.