[SiM7W2zi]

I have studied Native American religions somewhat. As Muslims we believe that every people received the prophetic tradition in some manner. Therefore, (Allah knows best), it is highly likely the native americans received independent prophets from those of the old world.
I do find it doubtful that Muslims reached America and signficantly impacted on the people, i would expect to see more evidence of this but i am willing to change my mind.
Regarding Native American religions:
It was held good to fast if unmarried and the highest honour to have never even physically touched a woman before marriage.
Native Americans would go out and quietly meditate during fajr time.
Many believed in one God (after the apocalyptic arrival of the Europeans, sadly these religions became much more corrupted resulting in shamanistic behaviour which actually arose as a reaction to Europeans.. e.g. sun dance/ghost dance etc.
Native Americans were very non-materialistic - they held things in common for the tribe. so for example, if one needed another's pot, they would go into the others tent, take the pot and simply use it. they also loved to give gifts to one another and this was a sign of high status.
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all of this would have been highly compatible with Islam.

Source: Bury my heart at wounded knee and Mammoth Book of Native Americans.