Final answer:
The Constitution established the current US form of government in 1787.
Step-by-step explanation:
The document that established the current form of government in the United States in 1787 is the Constitution. The Constitution outlines the basic principles and structures of the government, including the separation of powers, the roles and responsibilities of different branches, and the rights and freedoms of individuals. It has served as the supreme law of the land, guiding the nation for over two centuries.
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