This music originated at the turn of the 20th century, became synonymous with the harlem renaissance, grew steadily in popularity through the start of the great depression, and is considered a uniquely american art form

Jazz

Explanation:

Jazz is a type of music that originated in the United States at the turn of the 20th century. It was mostly developed in the African American communities and became synonymous with the Harlem Renaissance. The roots of jazz can be found in blues and ragtime, as well as West African cultural and musical expression. Jazz is a uniquely American art form that has spread to the whole world.

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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