A slave is a person that belongs to another one and is treated as property. Serfs, I'm not so sure about this now, were renting the land out from the landowners.
The production and the use of pottery during the Inca Civilization had two purposes, utilitarian and ceremonial.
The framers of the US Constitution were worried about keeping a balance between the power of the presidency and the power of the other branches of the federal government.
This is evident from the fact that the Constitution establishes a system of checks and balances. This ensures that the legislative and judicial branch have the ability to regulate the presidents power. This fear of a strong central leader stemmed from America's experience as part of the British Empire. After seeing how King George III abused his power, the framers wanted to make sure that this would not happen again.
