Jill Weber wrote:
> The Navajo and Apache, both of Athabascan origin didn't arrive in the
> southwest until around the same time as the euros, approx. ca.16-17th cent.
> c.e. And immediately began wreaking just as much havoc.
"Just as much"? -- that's a bit extravagant. All invaders wreak havoc.
But europeans from the 16th to and including the present (counting u.s.
as "european") have been a bit extraordinary in their destructiveness,
by any standards.