Which author tackled themes not only of race but of his own homosexuality in such works as go tell it on the mountain and giovanni’s room?

 The correct answer is : The author who addressed these issues was James Baldwin

Explanation:  James Arthur Baldwin was a playwright, activist and novelist from the United States. His novels and plays deal with personal dilemmas, social and psychological pressures that do not allow equal integration of African Americans, homosexuals and bisexuals.

rain should be the answer.

answer; protectionism fosters competition and keeps price regulated;