The U.S Constitution was written on September 17th, 1787, and signed on September 17th, 1787. It was a written document based on six principles, Popular sovereignty, Limited Government, Separation of Powers, Federalism, Checks and Balances, and Representative Government. The American people drafted the document because they wanted to strengthen the Federal Government.
The beliefs of Popular Sovereignty is that all the governments powers come from the people. For example, in the Preamble, it states "We The People" It's saying that the people have control on the government, so it balances power.
The basics of Limited Government is the Constitution states what powers the government has. In addition, government leaders are not above the law. In Article two, Section one, Clause two, it states you can't be in one branch and serve for another. For example, if your a senate, you can't run for president. Another example is in Amendment three, which states that no person can quarter any house because the people don't allow it.
SEPARATION OF POWERS
The ideas of Separation of Powers is where the three branches of government all split power. The three branches of government are the Executive, Legislature, and the Judicial Branch. In Article one, Section three, Clause four, it explains that the Vice President can't vote. Another example is in Article three, Section one, Clause two, it explains the powers of the Judicial Branch is handled in one Supreme Court.