Respuesta :
Cool jazz developed near the end of 1940s. I pretty sure that’s the answer.
Of all the styles of jazz music, Ragtime, and New Orleans forms of Jazz were developed during the end of the 19th century, while Cool jazz was the last to develop.
What is Jazz?
Jazz is a popular form of music, which is generally known to have originated in the United States of America in the city of New Orleans. There are different types of Jazz music.
New Orleans is one of the oldest forms of jazz, popularized in the year 1895. Ragtime jazz was also developed and popularized in the similar time frame.
The cool jazz is one of the last forms of Jazz to have developed and popularized, as its origin can be confined towards the mid-twentieth century. Miles Davis was one of the most popular cool jazz artists.
Hence, option B; cool jazz is one of the latest styles of jazz music to have developed.
Learn more about jazz here:
https://brainly.com/question/2404388