What was the purpose of religious camp meetings in the early 1800s?

a. they provided the chance for thousands of children to be baptized into their faith.

b. they created an opportunity for preachers to ask followers for church funds.

c. they created an opportunity for followers to profess their faith and commitment to god.

d. they provided the chance for immigrants to learn about the religions practiced in america.

i would appreciate any stuck on this question : )