Prime minister is the head of government what is it presidential or parliamentary

How has china attempted to increase its gdp since the end of the 20th

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.

What is the contribution of women in making the family and in the nation?