According to the text,which of the following stasement is NOT TRUE?
A.
It is not easy to tell how “ rock and roll ” began.
B.
Both the blues and country music were developed by the musicians in the southern United States.
C.
Both the Europeans and the African slaves came to America during the 17th century.
D.
It was the blues songs recorded in Memphis that made Elvis Presley popular throughout the world.