How did colonizing countries hold and try to control their colonies? The institution of imperialism was maintained by a complex set of ideas on race and civilization. These ideas worked to both justify the colonization of countries and to maintain the military and economic power that upheld the colony.
Answer: Afghanistan, Andorra, Estonia, Iceland, Ireland, Latvia, Liechtenstein, Lithuania, Portugal, Spain, San Marino, Sweden, Switzerland, Tibet, Vatican City, and Yemen were all neutral during the war.
