How long did it take to ratify all 13 states?

The United States Constitution, which Congress created and signed in its final draft form on September 17, 1787, obtained the required nine-state approval for ratification 9 months later when New Hampshire became the ninth state to vote to ratify in June 1788. The first state to vote to ratify was Delaware on December 7, 1787. The last of the 13 original states to vote for ratification was Rhode Island in May 1790, 2 years and 8 months after the Constitution was drafted.

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the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.