What it was like when the Europeans got to the New World? add a few sentences to tell that story

As the English, French, and Spanish explorers came to North America, they brought tremendous changes to American Indian tribes. ... Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.

Explanation:

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.