How did the expansion of the Persian Empire impact the Greek city-states? It brought democracy to the Persian Empire.
O It sparked controversy and war between Persia and the Greek city-states.
O It brought increased interaction and trade between Persia and the Greek city-states.
O It brought Judaism to the Greek city-states.

it brought interaction and trade between Persia and Greek city states

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

i dont know. sorry : (