Question

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important meeting between all the colonies, 12 met in Philadelphia, included George Washington, Patrick Henry, John Adams, Samuel Adams

Answer 1

First Continental Congress

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The important meeting between all the colonies, 12 met in Philadelphia, included George Washington, Patrick Henry, John Adams, Samuel Adams.....

Answer 2

The Answer is:

The First Continental Congress

The First Continental Congress is the important meeting between all the colonies, including George Washington, Patrick Henry, John Adams, and Samuel Adams. It took place between September 5, 1774 and October 26, 1774 at the Philadelphia's Carpenter's Hall.