The United States in Crisis: Citizenship, Immigration, and the Nation Stateargues that to preserve our freedom Americans must mount a defense of the nation state against the progressive forces who advocate for global government. The Founders of America were convinced that freedom would flourish only in a nation state. A nation state is a collection of citizens who share a commitment to the same principles. Today, the nation state is under attack by the progressive Left, who allege that it is the source of almost every evil in the world.