Complex sentence: The Articles of Confederation, formally the Articles of Confederation and Perpetual Union, was a document signed amongst the thirteen original colonies that established the United States of America as a confederation of sovereign states and served as its first constitution.
Split into simpler sentences: The Articles of Confederation, formally the Articles of Confederation and Perpetual Union, is one of the organic laws of the United States. It is a document signed amongst the thirteen original colonies that established the United States of America as a confederation of sovereign states and served as its first constitution.