Complex sentence: "Special Providence" describes the four main guiding philosophies who have influenced (and still do) the formation of American Foreign policy in history: the Hamiltonians, the Wilsonians, the Jeffersonians and the Jacksonians.
Split into simpler sentences: Special Providence describes the four main guiding philosophies who have influenced (and still do) the formation of American Foreign policy in history. These schools are: the Hamiltonians, the Wilsonians, the Jeffersonians and the Jacksonians.