Which of these themes is most closely related to the harlem renaissance

Culture.

Explanation:

The Harlem Renaissance of the early 20th century is the intellectual, social as well as cultural explosion that cemented the place as a mecca for the black community. This period is especially important for the whole of the black history due to its major impact it had for the African American people.

One of the most dominant theme of the Harlem Renaissance is the cultural impact and change that it brought about for them. It brought about a serious renewal of the arts, literature and music of the African people, with an increase in the popularity of jazz music. It also brought  about a boom in the literary works of the black people, most notable among them being Langston Hughes.