Examlex
If two trees have the same number of vertices and the same degrees, then the two trees are isomorphic.
Soviet Union
A socialist state that existed from 1922 to 1991, consisting of multiple republics, and was a major world power during its time.
Containment
General U.S. strategy in the Cold War that called for containing Soviet expansion; originally devised by U.S. diplomat George F. Kennan.
Military Campaign
A series of related military operations aimed at achieving a specific objective within a given time period and geographical area, often part of a larger war or conflict.
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