The Pew Research Center looks at how the 1965 Immigration and Nationality Act has changed immigration patterns in the U.S.
Changes in immigration policy has shifted the country’s racial and ethnic makeup. Moreover, since 1970, there has been a shift in the parts of the world sending the most immigrants to the U.S., from Europe to Mexico to Asia.
Public surveys found that Americans have mixed views on the impact immigrants have had on American society. Forty-five percent of adults say immigrants are a good thing, while 37 percent say they are making things worse.