A representative democracy/republic
The correct answer is this one: "B. When the government doesn't protect their natural rights." According to the Declaration of Independence, when the government abuses its power and w<span>hen the government doesn't protect their natural rights</span>, the people should change it or even overthrow it. As the Declaration says, “it is the Right of the People to alter or to abolish it.”
NAZI party members were not imprisoned in concentration camps , as long as they didn't mess up :)