Changing immigration patterns in the United States have

a. decreased attendance at religious services.

b. added to the variety of religions.

c. increased belief in the value of religion.

d. hurt membership in Protestant denominations.

Changing immigration patterns in the United States have added to the variety of religions. The correct option among all the options that are given in the question is option "b" or the second option. People from different countries have their own religious beliefs and when they come to the United states, they share their beliefs.