How did the american revolution become a world war?

This passage describes the legal principle of if two laws conflict with each other, the court must decide on the operation of [t]he constitution .. must govern the case to which they both apply. this principle says it is the court's job to decide if actions are allowed by

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they