Why was a representative government set up

So we could be representated in our gov by the officials we elect to office

Explanation:

Back when we were first settling in america, the king of England unfairly taxed colonists which caused them to be angry and go to war against him "No Taxation Without Representation"

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes

protect u.s. businesses from competition