Which ancient Americans made the most accurate calendar?

At the end of the nineteenth century, which invention allowed color to be projected with increased brightness and clarity?

a) the electric light b) the color wheel c) the gelatin silver print d) tenebrism

Why was Théodore Géricault's The Raft of the "Medusa" so controversial? Consider both style and subject matter in your answer.

What will be an ideal response?