Native Americans actually had old spoken tradition of a belief in a trinity and they had had old stories passed down of claims that there was once a world-wide flood. Most people don't know why Native Americans had those beliefs since so long ago.
Hinduism
They died of disease.
the Europeans arrived
native American tradition was passed on orally.
When the Europeans arrived, thousands of Native Americans died of smallpox. Not only that, but Europeans slaughtered thousands of Natives under the order of President Andrew Jackson. The surviving Native Americans were forced on to reservations.
they all died and pooped thereself
Southern and Eastern Europeans
"The most striking deature of Native American society at the time Europeans arrived was its sheer diversity" Give Me Liberty Vol. 1 Eric Foner, page 8
When the Europeans arrived, thousands of Native Americans died of smallpox. Not only that, but Europeans slaughtered thousands of Natives under the order of President Andrew Jackson. The surviving Native Americans were forced on to reservations.
Native American Pueblo Indians.
They already had rivalries over land and resources
Maya, Incan, Aztecs