There were many reasons why the Harlem Renaissance held such significance in US history despite its fading influence during the Great Depression, but the main reasons is because it introduced whites to black culture.
Explanation:
Public opinion is measured by election results, personal contacts, media reporting, and especially by polls. ... People express their opinions by voting, writing letters or emails, making phone calls or holding public meetings. Interest groups also share the views of their members in hopes of influencing public policy.
Totalitarianism is a form of government where the government has complete control over private and political lives of its citizens. Stalin monitored telephone lines, read mail and had spies everywhere. Those that opposed him were killed and his secret police patrolled Russia. All newspapers, magazines, etc had to be approved by the Soviet Union. Propaganda was also in every corner of Russia. By using propaganda, he could instill fear.
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