Where did rock and roll originate?
a.)in cleveland, where alan freed was a dj
b.)in the rhythm and blues music of black musicians such as chuck berry
c.)in the jazz-inflected writings of the beats allen ginsberg and jack kerouac
d.)in elvis presley's blend of blues, country, and gospel

The correct answer is B)  in the rhythm and blues music of black musicians such as Chuck Berry.

Rock and roll originated in the rhythm and blues music of black musicians such as Chuck Berry.

It was the mid-1950s when black musicians influenced by the Blues played in Chicago and Memphis started to make new sounds with their electric guitars. African Americans such as Chuck Berry, Little Richard started experimenting with new sounds that became "rock and roll," that later white musicians such as Buddy Holly, Jerry Lewis made it more popular. It was Elvis Presley who took rock and roll to the general American public.

c. it required that townships set aside land for public schools.