"We the People of the United States, in order to form a more perfect Union." In the quote above, from the Preamble of the Constitution "to form a perfect" means that it is our government's job to...?

How does wards description of the roman government compare to polybius description in sorce 1 and millars description in source 2

After world war 2 the united states and great britain sought no intervention in conquered lands sought to divide up lands from defeated countries sought to gain colonies sought vengeance for damages in war

(lots of points) can you think of a situation where our country has done something and expected something in return and it backfired?