The impact you think The Columbian Exchange had on the modern world

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

protect u.s. businesses from competition

they usually pass federal laws

and sometimes in the elections of the president

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.