A unicameral system is a type of legislative structure that consists of a single chamber or house. This means that all legislative functions, such as debating and voting on laws, occur within one body, rather than being divided into two separate chambers, as seen in a bicameral system. Countries or regions with a unicameral legislature often aim for greater efficiency and streamlined decision-making. Many states in the United States, such as Nebraska, operate under a unicameral system. This approach can simplify the legislative process, reduce costs, and enhance accountability, as there is only one group of elected representatives making laws.