What is the answer to "Key catalyst in America's westward expansion" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Key catalyst in America's westward expansion" is ERIECANAL (9 letters).

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Key catalyst in America's westward expansion Newsday Crossword Clue

Down clue · from the August 8, 2026 puzzle

Stuck on “Key catalyst in America's westward expansion” from the Newsday Crossword? Here is the verified answer:

Answer

ERIECANAL

9 letters · Down · last seen August 8, 2026

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