The Congressional power is known as the Supremacy clause.
In Article 6 Clause 2 of the United States Constitution, it states that federal laws are the supreme laws of the land. This means federal laws trump all other laws in the United States. So if the federal government wants to prosecute people for the possession of marijuana in a state where it is legal, they can legally do so thanks to the supremacy clause.
The Battles of Lexington and Concord, fought on April 19, 1775, kicked off the American Revolutionary War (1775-83). Tensions had been building for many years between residents of the 13 American colonies and the British authorities, particularly in Massachusetts.
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Bessemer's process for making steel changed the look of our world because it allowed workers to spilt up the work and produce more at a time than all working together.
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