Possibly credible study of the topic that you are writing about
Michigan entered as a free state as it was one of the most north states of the U.S and still is. That meant it was filled of people that had a bad tone towards slavery. Florida is one of the most southern states and was filled with cotton farms in northern Florida ( South Florida was uninhabited by Americans cause there were marches and alligators I;e Everglades) Iowa was also a free state. Iowa was near Michigan and also had a population that disliked slavery.
The correct answer is "The Carta Magna" and "The Petition of Rights".
The Carta Magna was a document issued on Juen 15th, 1215. It marked the first precedent for the limitations of the exercise of the British Crown's powers over the citizens which in this case were the Barons.
The Petition of Right is a constitutional document issued in 1628 which further limited the Royal Crown's powers by restricting non-parliamentary taxations, imprisonment without cause, and the use of martial law.
These documents served as a reference for the Constitutional Convention to elaborate the draft of the Us Constitution, as they proposed limitations to the Federal Government which was to be formed.
B. Native Americans. Spanish missions had Native Americans farm and build buildings
The term that best describes the type of government in which power to rule is held by a small, usually self appointed elite is called an oligarchy. The correct answer is B.