In Islamic architecture, which of the following is a large vaulted chamber with one side being an open arch?

Which of the following persons was a male counterpart to the abolitionist Sojourner Truth?

A. Thoreau B. Catlin C. Douglass D. Emerson

How far back can scholars trace examples of comics?

a)  Ancient Egypt b)  the Middle Ages c)  the eighteenth century d)  the nineteenth century