It was the First Continental Congress that wrote a petition to king George declaring parliament couldn't pass laws on the colonists without representation by colonists
The US vs Dakota war in 1862 was an armed conflict between the United States and many bands of Dakota (known as Sioux Indians) .
The violation of some treaty by the US caused an increased of Dokota's hunger and a war of four years.
During war the Dakotas made attacks wich resulted in several settlers and immigrant deaths. The US goverment with the desire of revenge, captured hundreds of Dakota men an families, then, with military tribunal quickly tried the men, sentencing 303 to death for their crimes. President Lincoln would later commute the sentence of 264 of them. The mass hanging of 38 Dakota men was in Minnesota; it was the largest mass execution in United States history.
They developed new political ideas by reflecting on the existing political institutions and the relations between the people in a society. They tried to come up with new ways to make things better that were heavily involved in ethics, epistemology, ontology, and a bunch of other philosophical ideas whose origins can be found in ancient philosophical works.
I’m thinking it was the boxer rebellion as that happened not long after the open door policy
