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The Bill of Rights is the first 10 amendments to the Constitution. It defines citizens’ and states’ rights in relation to the Government.
The first amendment is the freedom of religion, speech and press.
The Free Speech Movement (FSM) was a lengthy student protest which took place during the 1964–65 academic year at the University of California, Berkeley. The FSM was informally led by Mario Savio.
Background sources such as, but not limited to, dictionaries and encyclopedias provide context for your topic or even help you choose one. Researchers use them when they need: