They rebelled against his policies
The main reason why this was the case during the Renaissance was because art collection was a luxury, in that it required a lot of money. This made it advantageous for only the rich people to support it fully.
Booker T. Washington spent his early childhood in slavery. Following emancipation, Washington (like many Blacks) felt that an education was the best way to improve his living standards, so he wanted to educate himself to improve his life.