In Regard to Migration to the United States

In regard to migration to the United States,

A) all Latino/a categories have been treated the same way by immigration laws and authorities during the twentieth century.
B) Mexicans have been allowed unrestricted migration between the United States and their native country because of oppression under Fidel Castro.
C) Mexicans have been allowed to migrate to the United States whenever there has been a need for agricultural workers.
D) Puerto Ricans are more likely than other Latino/a groups to be detained by immigration authorities because of questions about their citizenship.