The UN Charter is a foundational treaty that established the United Nations in 1945. It outlines the purposes, principles, and structure of the organization, aiming to promote peace, security, and cooperation among nations. The Charter serves as a legal framework for international relations and sets the rules for member states. The UN Charter consists of a preamble and 19 chapters, detailing the roles of various UN bodies, including the General Assembly and the Security Council. It emphasizes the importance of human rights, self-determination, and the peaceful resolution of disputes, guiding the actions of the United Nations in its mission to maintain global stability.