The law that essentially limited immigration of specific groups and denied entry to aliens ineligible for citizenship who were not "free whites," was the:
a. national origins act of 1924
b. immigration act of 1965
c. immigration law of 1924
d. chinese exclusion act

first one the food administration

4 copper and gold, the california gold rush is why im pretty sure.

these civilizations were located around fertile rivers, where they could produce an abundance of crops

they spoke the dravidian language. hope this , correct me if im wrong