Educate yourself, you sound like a dumb American.
https://en.wikipedia.org/wiki/United_States_expedition_to_Korea?wprov=sfla1
According to a National Interest article, Low's own records indicated the punitive campaign was motivated by a need to demonstrate American power over what he considered to be a weaker nation. Previously, the American commanders had felt entitled. They would "peacefully" enter Korean waters for survey and trade aboard heavily armed warships, all the while ignoring repeated diplomatic requests to respect Korean sovereignty.

Cool, then this thread is done and the rest of your anyway doesn't matter.