In some areas, a lot of the colonizing males took indigenous wives. I'm a 3 Fires tribal citizen, ( Little River Ottawa) and many of our men had to marry European women because less native females were available. Our surving tribal citizens that are light complected, far out number our remaining "pure-bloods" as a result. One can travel 1000s of miles across the United States without ever seeing a first nation's community, so the mission to eradicate was largely successful here.