Why did Matthew Lyon and Roger Griswold fight?

Matthew Lyon and Roger Griswold fought in 1798 due to a personal and political rivalry that escalated during a debate in Congress. Lyon, a Democratic-Republican, had previously insulted Griswold, a Federalist, which led to a heated exchange. The confrontation culminated in a physical brawl, with Lyon famously using a wooden box to defend himself against Griswold's attacks. Their fight reflected the intense partisan conflicts of the era.