The reason for dropping the first atomic bomb on hiroshima was to?

President Harry S. Truman, warned by some of his advisers that any attempt to invade Japan would result in horrific American casualties, ordered that the new weapon be used to bring the war to a speedy end. On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima.

Explanation:

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate