What is the union of one man and one woman called ?

a)polygamy
b)polyandry
c)monogamy
d)matriarchy

Why are low-lying lands more suitable for agriculture than hilly areas?

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.

According to thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by: