Brain drain is
A) the large-scale emigration of talented people.
B) the process by which people are given reference for migration.
C) people forced to migrate for political reasons.
D) a cultural feature that hinders migration.
E) a net decline in literacy.
Question 2
Mexico provides the United States with its largest numbers of
A) voluntary immigrants and political refugees.
B) both legal and undocumented immigrants.
C) laborers.
D) refugees from natural disasters.
E) European and Asian migrants, excepting those who have entered from Guatemala.