What forms of the harlem renaissance spread from the african american community into the wider white american and even beyond to europe?

Jazz and blues music as well as literature and poetry.

Jazz music was especially contagious throughout white culture into Europe. African American musicians were hired to perform in venues that they were not allow to attend as a customer. Some were even recruited to play in bands in Europe before WWII were jazz was a special commodity. African American writing was also becoming respected in white communities with household names like Langston Hughs and Zora Neal Hurston.

To create an industrial workforce.