Which statement best describes the treatment of people of german, italian, and japanese ancestry who were living in the united states during world war ii?

a) each were allowed to occupy high levels in the political and military structure.
eliminate
b) only german americans were subjected to involuntary internment by the u. s. government.
c) only japanese americans were subjected to involuntary internment by the u. s. government.
d) each were subjected to possible internment, though very few italian americans were detained.