The people of the Indus Valley were able to grow more crops by. A) making war on neighboring settlements and taking their land

B) planting seeds very deeply where there was moisture

C) irrigating the dry areas

D) making roof gardens

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

Whose political philosophy is mostly clearly reflected in the declaration of independence

Why is mary salter ainsworth a central figure in psychology?