corollary – a proposition inferred immediately from a proved proposition with little or no additional proof; something that naturally follows.
domestic – of, relating to, or originating within a country and especially one’s own country.
foreign – situated outside a place or country; especially : situated outside one’s own country.
hemisphere – a half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles.
imperialism – a policy of extending a country’s power and influence through diplomacy or military force.
intervene – to interfere usually by force or threat of force in another nation’s internal affairs especially to compel or prevent an action.
isolationism – a policy of going it alone as a nation by staying out of alliances and other international political and economic relations.
jingoism – extreme patriotism, especially in the form of aggressive or warlike foreign policy.
neutrality – the quality or state of refusing to take sides internationally; especially : refusal to take part in a war between other powers.
policy – a definite course or method of action selected from among alternatives and in light of given conditions to guide and determine present and future decisions; a high-level overall plan covering the general goals and acceptable procedures, especially of a governmental body.
protectorate – a state that is controlled and defended by another state.