Why should american textbooks emphasize the geographic size of the soviet union

The books should emphasize the size of the Soviet Union because this had a differential in the bloc's power to influence. The USSR was a bloc of Eastern European countries that became an empire of great geographical size under the influence of the communist system.

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the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.