The first settlers came over from Europe by ship.
Hopefully this is what you were looking for, if not let me know and I can give you more information.
The main idea in the 9th amendment is that certain rights are to be protected from the government interfering with them, such as, people having freedom of speech of religion and others
Federalism limited the powers of government in the United States in that it created two sovereigns, the state government and the federal government which must share power.
