Which ethenic group were the main exponents of the blues?

The main exponents of the blues were African Americans, particularly those from the Southern United States. The genre emerged in the late 19th and early 20th centuries, rooted in African musical traditions, spirituals, and folk songs. It became a powerful form of expression for African Americans, reflecting their struggles, joys, and cultural experiences. The blues significantly influenced many other Music Genres, including jazz, rock, and R&B.