Key Terms

An economic and political system in which a country's trade and industry are controlled by private owners for profit.


An individual who supports and practices capitalism

Cold War
A state of political hostility existing between countries, characterized by threats, violent propaganda, subversive activities and other measures.

A political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs.


An individual who supports and practices communism

The idea that communism needed to be contained and isolated, or it would spread to neighboring countries. This would thus allow the Domino Theory to take hold.


Domino Theory
The Theory that if on country came under the influence of communism, then the surrounding countries would follow in a domino effect.



Hot War
A war with active military hostilities

The Ideas and manner of thinking of a group, social class or individual


International Geophysical Year
Was an international scientific project that lasted from July 1, 1957 to December 31, 1958. It encompassed 11 Earth sciences such as oceanography, solar activity and meteorology.

Marshal Plan
Advocated by the secretary of state George C. Marshall and passed by congress in 1948. It was a program offered by the US to provide financial aid and other initiates to European countries who were heavily affect by World War II.


Nation Aeronautics and Space Administration


North Atlantic Treaty
The treaty signed in 1949 by 12 countries that established NATO (Northern Atlantic Treaty Organization)


Operation Paperclip
Was the Office of Strategic Services (OSS) program used to recruit the scientists of Nazi Germany for employment by the US in the aftermath of WWII.


Proxy Wars
A proxy war is a war that comes to be when opposing powers use third parties as a way for fighting each other directly e.g. Korean War


Puppet Regime
The term puppet state (also puppet government, marionette government) describes a nominal sovereignty controlled effectively by a foreign power.

Sea of Tranquility
Is a large dark basaltic plain on the moon.

A very powerful and influential nation, especially one capable of influencing international events and the acts and policies of less powerful nations. Eg. Unitied States of America


The doctrine wherein the purpose is soley focused on the final product and as such the means become unimportant.


Treaty of Versailles
A treaty signed in 1919 that brought a formal end to World War I. The Treaty redivided the territory of the defeated Central Powers, restricted Germany’s armed forces and established the League of Nations. 

Truman Doctrine
The principle that the US should give support to countries or peoples threatened by Soviet forces or communist insurrection.

Warm War
Armed open conflict between nations or fractions

Warsaw Pact
A treaty of mutual defense and military aid signed at Warsaw on May 14, 1955, by communist states of Europe under Soviet influence, in response to the admission of West Germany to NATO. The pact was dissolved in 1991.