The Second Half of the Twentieth Century Has Seen Substantial

The second half of the twentieth century has seen substantial increases in international trade.What effect has this had on worldwide poverty?

A) Poverty has decreased in most nations, at similar rates.
B) Poverty has increased in most nations at similar rates.
C) Poverty has decreased in most nations, particularly the poorer ones.
D) Poverty has decreased in most nations, particularly the richer ones.