Could the native peoples of the New World have kept the Europeans out of the Americas if they had chosen to do so?

by [deleted]
Searocksandtrees

Sorry, but your submission has been removed because we don't allow hypothetical questions. If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit Otherwise, this sort of thing is better suited for /r/HistoryWhatIf.