sentences:  He would go on to fight against the American army, on the side of his fellow Seminole, and, eventually, to work with the Americans.During the Second Seminole War of 1835 to 1842, which began when American settlers pressured for Indian removal to free up their lands for white settlement, John Horse served as what would be called, today, a field officer on the Indian side.At first a translator for the Indian leaders (since few of them spoke English while their black allies did), he also became a lower level war chief.