At Times in American History, Minorities Such as Native Americans

At times in American history, minorities such as Native Americans, Asians, and African Americans have experienced severe political repression. This history shows that

A) democracy can be a very dangerous form of government.
B) majorities in a democracy oppress others more often or more seriously than minorities or other forms of government.
C) to the extent that we do not protect the rights of minorities, we fall short of the democratic ideal.
D) American oppression of racial minorities is consistent with the democratic ideal.
E) discrimination is a necessary part of democratic governance.