One of the euphemisms in "From Emperor to Citizen" is Puppet. It refers to Pu Yi who was called Emperor, but was actually controlled by the Japanese. Another euphemism is Forbidden City, because it wasn't forbidden for those who worked and lived there.
I believe that the best answer among the choices provided by the question is
<span>Today,
Paul Kramer’s paintings, which hang in a Minnesota museum, highlight
the connection between the town’s past and its future.</span>