What was the name given to African Americans who streamed onto the plains to become farmers or hired hands?
Vigilantes
Exodusters
Sooners
Sod busters

Exodusters

Explanation:

Exodusters was a name given to African Americans who migrated from states along the Mississippi River to Kansas in the late nineteenth century, as part of the Exoduster Movement or Exodus of 1879.

Sod busters

Explanation:

the term sod buster comes from those who know how to work the land aka farmers