The 1986 Immigration Reform and Control Act Had What Effect

The 1986 Immigration Reform and Control Act had what effect on illegal aliens living in the United States?

A) Discriminated against individuals from Southern and Eastern Europe
B) Allowed illegal aliens already living in the United States to apply for legal status
C) Permitted foreign-born populations to set up communities in or around major metropolitan areas
D) Allowed illegal aliens access to "green cards" that would allow them to work in the United States