What was the first time burr made hamilton angry?

The first time Burr made Hamilton angry, according to americanhistory.com, was:

"The rivalry between Alexander Hamilton and Aaron Burr had its roots in a 1791 Senate race. Aaron Burr defeated Philip Schuyler who was Hamilton's father-in-law. Schuyler as a Federalist would have supported George Washington'sand Hamilton's policies while Burr as a Democratic-Republican opposed those policies."

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The statistics for the eastern war are grim. more than three-million men died in the fighting, more than nine-million men were wounded, and every major country which participated lost its form of government.