A purpose of government in the United States is to

One purpose of the U.S. government is to protect the rights of the people it governs. The Constitution and Bill of Rights establish protections for U.S. citizens and others under U.S. jurisdiction. Guaranteeing power to one leader or a few leaders is not a purpose of a democratic government, and the U.S. government cannot guarantee rights for people worldwide.

AI-written and checked against the verified answer.