The document that did NOT influence the U.S. Constitution was the Koran.
The Koran is the sacred book for the Muslims. It includes the teachings of Islam and the prophet Mohammed. It is the equivalent of the Bible for Christians.
The Koran did not influence the US Constitution. What truly indeed influence it was the Bible, Justinian Codex, and the Code of Hammurabi, which in fact was the first set of codes of written laws established by King Hammurabi. We are referring to a king of ancient Mesopotamia civilization.
Bicameral system, a system of government in which the legislature comprises two houses. The modern bicameral system dates back to the beginnings of constitutional government in 17th-century England and to the later 18th century on the continent of Europe and in the United States.