The correct answer is option 4: Some kind of government. This means that for a State to exist, it needs to have some form of governing authority in place. Government is the system or organization that has the power to make and enforce laws, maintain order, and provide services for its citizens. It is the entity that exercises control over a defined territory and its population. While democracy, parliamentary, and presidential governments are different forms of government, they are specific types of government structures and not the only requirements for a State to exist. A State can have different types of governments depending on its political system, but the essential characteristic is that there is some form of governing authority.