Deists believe in God - they believe he is the one who created everything in the very beginning, but then left us to our own devices to decide what we wanted to do with our lives. They do believe God exists, but they think that he doesn't interfere with anything on Earth, be it science, or mechanistic workings of the universe in general.
No "Americans" arrived in North America. However, in 10 A.D. Vikings explored the fringes of North America. Also, Native Americans crossed over from Siberia into Alaska over a land bridge about 12,000 years ago. In 1501, Amerigo Vespucci officially discovered America but thought it was Asia so he did not dock. Then in 1592, Christopher Columbus found and docked in the Caribbean and was the first man to land on America.
That would be true because he was an important part in the Book Of Genesis.
Hope It helps
I honestly couldn’t tell you because I don’t know what I’m looking at