Which of the Following Statements Is NOT True

Which of the following statements is NOT true?

A) Until the 1960s, the U.S. government maintained a program that allowed Mexican workers to migrate and enter the country in order to provide seasonal labor for U.S. employers.
B) Remittances-money sent back to Mexico from migrant workers abroad-are of critical importance to the Mexican economy.
C) Communities of Mexican migrants have been and continue to be mainly in California and Texas.
D) Generally, the U.S. government maintained an informal policy of tolerating the employment of undocumented Mexican workers until the 1980s.
E) In 2005, Mexico approved a system under which registered Mexicans living abroad could participate in federal elections.