Between 1870 and 1913, Labor Migration from the "Old World

Multiple Choice

Between 1870 and 1913, labor migration from the "Old World" (Europe) to the "New World" (the United States, Canada, and Australia) :

A) decreased the rate of growth of real wages in the New World and increased the rate of growth of real wages in the Old World.
B) increased the rate of growth of real wages in the New World and decreased the rate of growth of real wages in the Old World.
C) decreased the rate of growth of real wages in both the New and Old Worlds.
D) increased the rate of growth of real wages in both the New and Old Worlds.