Generally, four approaches to US foreign policy can be explained. According to the tradition of Jacksonism, the United States, as the dominant power, provides global leadership to stabilize the political order and regulate the international economic system, and to prevent the emergence of a dominant power in order to maintain the balance of global power. According to the tradition of Hamiltonian-ism, the United States avoids thorny external obligations that harm its economy, society, and system of government. St. Wilson-ism believes that the United States should support foreign freedom by expanding free markets, democracy, human rights, and national autonomy. The present study examines the Wilsonian approach concerning US foreign policy.