Religious practices and art spread in early American cultures through the dissemination of various cultures.
Explanation:
The distinct early American cultures that had originated in various parts of America started disseminating as the people belonging to these cultures started wandering in search of new lands.
The cultures of the people inhabiting the coasts were different than that of the people living in the interiors and along the banks of rivers. Later in time, the early American cultures were introduced to Christianity through further dissemination.