<span>Copernicus completely changed people's minds in the way they perceived the world and the planet in general. He shifted away Ptolemaic model of the heavens, and developed his own theory of the heliocentric model in which the Sun is placed at the center of the Solar System. As well as this person, most of the talented scientists of renaissance brought into people's life something new and, in some measure to those who was not prepared for big changes, shocking things.</span>
After the constitution <span>the Articles of Confederation outlined the powers of the US government.
It was the document that told the country what the national government would do. </span>
he Founding Fathers of the United States led the American Revolution against the Kingdom of Great Britain. Most were descendants of colonists settled in the Thirteen Colonies in North America. George Washington is chief among them, being the Father of the Homeland. Historian Richard B. Morris in 1973 identified the following seven figures as the key Founding Fathers (in short yess)
