Why did White people steal Black people’s inventions?

LinkxPeach

Black people invented cellphones, ice cream, guitar, chess, paint, roller coaster, and Rock-n-Roll music. White people are using those inventions. If it wasn’t for those inventions, White people wouldn’t be making a lot of money.

https://library.ucsd.edu/dc/object/bb00695483/_1.pdf

Updates
1 y
Some of you White g@g users don’t care about Black people by stealing their inventions, and don’t want some people to get justice in America.
Why did White people steal Black people’s inventions?
18 Opinion