Questions: The radio gave popularity to a new style of music, called - jazz rock spiritual rap

The answer is jazz.

Jazz is the correct answer. The radio played a significant role in popularizing jazz music, especially during the 1920s, known as the Jazz Age. This era saw jazz become a dominant form of musical expression in the United States, with radio broadcasts helping to spread its popularity across the country.

Rock music became popular later, particularly in the 1950s and 1960s, with the advent of television and other media playing a more significant role in its spread.

Spiritual music has deep roots in African American history and was popular in religious contexts, but it was not a new style of music popularized by the radio.

Rap music emerged much later, in the late 20th century, and was not associated with the early days of radio.