Well at the time of the U.S. revolutionary war, there were 13 colonies, they were not referred to as states till later. far as what type of govt was wanted, at the time they were trying to break free of a monarchy type, meaning ruled by a king. The U.S. currently has a federal type of govt. so its safe to say that's the type they were wanting.
To show that Caesar was surprised that Brutus, a man he trusted, betrayed him.
Many faced discrimination.
The themes that played a major role in changing the world between 1450 and 1750 was that plants were being spread together with animals and diseases between the Americas and the rest of the world; mainly Europe. Especially famous are cases where European contact wiped out whole villages and tribes of native American people because they were unable to cope with the bacteria and viruses.