What happened in the decade following the passage of the Immigration Act of 1990?

A) By 2000, Asian immigrants made up a third of the population of Texas, New Mexico, Arizona, and California.

B) The government stopped the flow of illegal immigrants by penalizing employers who hired them.

C) During the 1990s, immigration to the United States declined by a record 40 percent.

D) The period from the 1990s to the 2000s saw the largest numbers of immigrants in the country’s history.