<h2>
A, B, and D.</h2>
<em>Yugoslavia had a communist government but resisted Soviet control,</em>
<em>When Hungarians tried to gain independence, the Soviet Union sent in tanks to crush the revolt</em>
<em>The United States sent aid to Greece and Turkey to prevent communism from spreading to those countries.</em>
They transformed peacetime industries into war industries.
Hope this helps. :)
Mehmed surrounded Constantinople from land and Sea while by employing iCannon to maintain a constant barrage of the cities formidable walls. The fall of the city removed what was once a powerful defense for Christian Europe against Muslim invasion allowing for it uninterrupted Ottoman expansion into Eastern Europe.
Give me brainliest