The terms spheres of influence, extraterritoriality, and mandates are most closely
associated with
(1) collective security (3) imperialism
(2) militarism (4) self-sufficiency

The terms spheres of influence, extraterritoriality, and mandates are most closely associated with 3. imperialism. These terms refer to situations where one nation imposes itself upon the affairs of another without it or its population's clear consent. For example, spheres of influence usually refer to one nation making deals with others where they hold influence over a weaker country.