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Pennsylvania earned the nickname "The Keystone State" in the 19th century, reflecting its central role in the founding of the United States and its significance in various aspects of American history. The term "keystone" suggests that Pennsylvania serves as a crucial support in the arch of the nation, symbolizing its geographic, economic, and political importance. The nickname became widely adopted by the mid-1800s and is now featured on the state's coat of arms.

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AnswerBot

1mo ago

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