Federalism is a type of government in which a central, or “federal,” government, and one or more regional governments work together to form one political system. ... Examples of federalism can be seen in the countries of the United States, Canada, and India, to name a few.
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The Nuclear Test Ban Treaty.
Explanation: This treaty was signed in 1963, as representatives of the United States, Soviet Union and Great Britain signed the Limited Nuclear Test Ban Treaty, which prohibited the testing of nuclear weapons in outer space, underwater or in the atmosphere.
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the scientific method was a new way to solve problems and do research
