Final answer:
Booker T. Washington attributed the high attendance at the Tuskegee Institute to its practical curriculum focusing on industrial education, which he believed was essential for the self-improvement and economic stability of the African-American community.
Step-by-step explanation:
Booker T. Washington believed that thousands of young people attended the Tuskegee Institute because they desired an education that was practical and directly applicable to their lives. He advocated for an institution that judged by its achievements in producing men and women equipped to meet the needs of their community and build honorable and enduring careers. Washington felt that the Institute's curriculum of industrial education, focusing on practical skills like agriculture and carpentry, was critical to the self-improvement and economic stability of the African-American community.