Answer:
Alexander Hamilton insulted Burr's honor on multiple occassions.
Explanation:
At that point in time, while it was still illegal, people still often dualled to settle disputes of honor. After Hamilton publicly called out Burr for various acts and supported Thomas Jefferson's campaign for presidency, Burr challenged Hamilton to a dual. It was at this dual that Hamilton was fatally wounded.
I did just give a brief summary. There is a lot of tension revolving around these two and it would be better to ask an expert such as a teacher of american history or going to a reliable source such as his tory . com and finding out all the details there.
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