The United Nations charter is an amendment to a constitutional document. This charter was modeled after the United States' Constitution which allows for amendments throughout the course and changes that take place within the country.

The nation of the Philippines is one of the original signatories of the United Nations Charter. The Charter was signed in 1945.

The Atlantic Charter was the first step in the formation of the United Nations. Many of the ideas and concepts of the Atlantic Charter were used as a basis for the United Nations including the idea of peace and unity. After this was issued, more nations began to join in on the idea and to become a part of it. Eventually these concepts were used along with other nations that joined together to make the United Nations.

The United States. -gradpoint.

United Nations which replaced the League of Nations.