If Countries Move from Highly Restricted Trade Toward Freer Trade

If countries move from highly restricted trade toward freer trade, what would be the expectation regarding wages across countries in the world?

A) Wages in an occupation would vary more across countries than before.
B) Wages in an occupation would not change due to the freer trade.
C) Wages in an occupation would move toward equality.
D) Wages would become higher in advanced economies and lower in developing economies.