[RobbyS]

You can start with the congregational churches of New England, who beginning in the 1630s decimated the Indian population. John Eliot sought to bring Christ to the Indians, but that effort ended after King Phillip's War, and not until the post-Civil war period did Protestants make any effort to send missions to the Indians, and that by Easterners who were safely away from the scene of the Indian Wars. The motto that there is no good indian except a dead one was the same one that the churches preached as well.

[OLD REGGIE]

You can start with the congregational churches of New England, who beginning in the 1630s decimated the Indian population.
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Documentation please. You are certain it wasn't white man's diseases which decimated the Indians?