“…At the time of his initial research, the Communist Party, in which he was an active member, was tying itself to civil rights issues, and finding slave revolts helped both to show that blacks were not so docile as southerners pretended, and to encourage the idea of nascent revolutionary activity against an oppressive capitalist system. Similarly, the prominent Samuel Sewall's diary described killings by Indians in the Massachusetts Bay colony, followed by an execution of several of them 27 . The Indians were involved in King Philip's war, but the colonists viewed many Indian conflicts as crimes, with trial and execution 28 .…”