ANSWER FAST PLEASE!!Which factors contributed to economic growth in Sumerian city-states? Choose four answers. -having many gold mines
-growing a surplus of food
-using irrigation in farming
-trading between city-states
-being located near rivers
-building homes with courtyards

Why is illegal immigration a controversial issuea. people think that the current laws on immigration address the issue well.b. there are far fewer illegal immigrants each year than naturalized citizens.c. americans disagree on weather immigration law should change to address it.d. most naturalized citizens first entered the united states as illegal immigrants.