The official approval of an idea or law. Usually this is done by people voting for a proposed law or amendment. It is basically another word for approval, mostly used by officials or court systems.
Document that was the first constitution for the U.S before it was replaced by the Constitution in 1789. It was ratified in 1781. It was created very quickly due to the fact that it was made during war.
It is the support of a representative government otherwise known as a republic. It is when the people support the ideas and thoughts of the Republic. They also want the government to stay as a republic and support it.