Soviet union
After the Cuban Revaluation of 1959, Cuba became increasingly dependent on the soviet union.
Because the art reflects what was going on in that era
A region can be studied over many different periods, but a theme applies to only one period is one major difference between a region and a theme when studying history.
<h3>What is
region in history?</h3>
Regional history is historiography devoted to a physically confined area below the level of the Empire or the nation state, particularly in Germany; the area can be determined by the governance of a territory, as well as cultural, dialectal, economic, and other elements.
Thus, option D is correct.
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Enforcement of rules limiting personal freedom
This person's ability to bring people together and gain respect will allow him to execute his philosophy. Being he believes that personal freedom should be limited this will create an environment of totalitarianism.