3 questions help please :)

1. Is this statement true or false?

The first true rock and roll recording was produced in 1953 during the inception of rock and roll.

2. Who placed the first rock and roll song on the Billboard charts and paved the way for other rock and roll musicians?
A. Elvis Presley
B. Bill Haley and His Comets
C. Sam Phillips
D. Carl Perkins

3. Who stated opposition to the Vietnam War through music during the early 1970s?
A. Chuck Berry
B. Country Joe and The Fish
C. Elvis Presley
D. Nirvana