What were the main features of rock and roll that distinguishes it from music that preceded it?

Why were european influences dominant in early american music? select all answers that are true. check all that apply early religious, folk, and popular song traditions derived from mainland europe. early religious, folk, and popular song traditions derived from mainland europe. early settlers had little exposure to native american traditions. early settlers had little exposure to native american traditions. native americans preferred the new music shared with them by europeans settlers. native americans preferred the new music shared with them by europeans settlers. american settlers were exposed to european classical music through travel. american settlers were exposed to european classical music through travel. native american music was deemed primitive, and thus unworthy, by european settlers. native american music was deemed primitive, and thus unworthy, by european settlers.