2. Which of the following statements are true with respect to immigration into the U.S.?
a. Immigrants from Europe were more than 90% of the total in the first decade of the twentieth century, but less than 20% of the total by the end of the century.
b. By the 2000s, about half of the U.S. immigration came from the rest of the Americas, especially Mexico, and
c. By the end of 2000, about a quarter of the U.S. immigration came from various countries in Asia.
d. all of the above statements are true.