How did the religious revivals of the 1830s and 1840s lead to the establishment of mormon communities around the great salt lake?

The correct answer for this question is this one: "The religious revivals of the 1830s and 1840s lead to the establishment of Mormon communities around the Great Salt Lake by the pioneers' migragation from one place to another until they found the Great Salt Lake in Utah. There, they were able to build and start a new community.