McCarthyism is the correct answer you're looking for
Answer:
Pan-Slavism, a belief that the Slavic peoples of eastern Europe should have their own nation, was a powerful force in the region. ... It was this pan-Slavic nationalism that inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak of World War I.
Explanation:
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Answer: I. Many Soviets became fearful of rapid changes in the country.
II. Force was not used to stop protests in Eastern Europe.
III. The crisis in Afghanistan occurred.
IV. The Soviet Union faced huge expenses.
Explanation:
To find a shorter route to asia
mongols were engineers they developed taxes also as they expanded there empire
