In south africa, the bafokeng were able to eventually get much of their land back from the white settlers who had taken it through the formation of the royal bafokeng nation, inc. this effort has subsequently flourished. this a good example of

I believe the answer is: an ethno-corporation

an ethno-corporation refers to a form of corporate establishment which run and operated only by specific members of  a certain ethnicity.
Other example of an ethno-corporation is the casinos establishment that being run by Native Americans in united states.

Complementary goods. they go together, thats why one price increase and the others demand increases