The answer is "B. The right of people to control what happens in their homes".
The Third Amendment (Amendment III) to the United States Constitution places confinements on the quartering of officers in private homes without the proprietor's assent, prohibiting the training in peacetime. The amendment is a reaction to Quartering Acts gone by the British parliament amid the development to the American Revolutionary War, which had enabled the British Army to hold up officers in private living arrangements.