In Most European Countries, How Was Emigration Related to Population

In most European countries, how was emigration related to population growth in the late nineteenth century?

A) Emigration encouraged population growth as employment and land became more available.
B) Emigration occurred as population growth occurred, maintaining a rather constant balance.
C) Emigration increased about twenty years after a rapid growth in population, as land became scarce.
D) Emigration decreased as population growth increased, providing evidence of stable growing economies.