Life was so hard in Puritan New England that children who were abducted by Native Americans often refused to come back. Eunice Williams, abducted in 1704 at age 7, refused to leave the Kahnawake Mohawks despite her father’s pleas — he found she had forgotten the English language and adopted Indian clothing and hairstyle. “She is obstinately resolved to live and dye here,” he wrote, “and will not so much as give me one pleasant look.” The Mohawks were much more indulgent to children than the colonists, and women were counted equal to men and played an integral role in...