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Two broad goals achieved by the decisions written by John Marshall were:

Adeclaring the Tariff of 1816 unconstitutional

B.establishing the importance of the Supreme Court

Creducing sectional differences
Dstrengthening the Federal government
Estrengthening states' rights

Verified Answer :

Two broad goals achieved by the decisions written by John Marshall were "B.establishing the importance of the Supreme Court," and "D. strengthening the Federal government," since this was early in America's history. 

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