Since Postmodernism, what kinds of authors now frequently share the American literary canon that didn’t before?

Authors from various cultures

Explanation:

Before the era of postmodernism came to be and before new authors emerged, there was a period where were the body of books, and texts that was the most important and influential was made up of literature written by white males.

As postmodernism took over, we now have writers from different cultures and female women have entered the cannon. Ethnic minorities writers like Tony Morrison and Ishmael Reed have taken the central stage.

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