Final answer:
The Kamakura period's religious art reflects the continuing influence and popularity of both Buddhism and Shintoism.
Step-by-step explanation:
Religious art in the Kamakura period reflects the popularity of Buddhism as well as Shintoism. As the dominant religious tradition, Shintoism retained its status, but various forms of Buddhism, like the ones adopted during the Heian period, continued to be influential.
In particular, the art of the Kamakura period may depict the Buddhist influences, through sculptures and temples, as well as the indigenous Shinto beliefs, showcasing kami and their connections to natural elements like trees and mountains.
The veneration of both Buddhist figures and kami is evident in the period's religious artwork, supported by different influential clans and political rulers of Japan during that era.