What are the two main functions of US government

A government is an institution through which leaders exercise power to make and enforce laws. A government's basic functions are providing leadership, maintaining order, providing public services, providing national security, providing economic security, and providing economic assistance. (Hope this helps) :)

The main reason why the media began to portray Roosevelt as a “world cop?” was because of his stance in Latin America, which was that the US would intervene if dictators were visibly taking advantage of their populations.