What was the barlian source of great consern ?

1.	What was the barlian source of great consern ?
Answer» Overnight, the freedom to pass between the two sections of\xa0Berlin\xa0ended. Running across cemeteries and along canals, zigzagging through the city streets, the\xa0Berlin\xa0Wall was a chilling symbol of the Iron Curtain that divided all of Europe between communism and democracy.\xa0Berlin\xa0was at the heart of the\xa0Cold War. A 1948 map detailing the\xa0Berlin Blockade, one of the first\xa0major\xa0international crises of the Cold War. During the multinational occupation of post-World War II Germany, the Soviet Union blocked the western allies\' railway, road and canal access to the sectors of\xa0Berlin\xa0under Allied control.\xa0When Khrushchev\'s December 1961 deadline passed without incident, the conflict over the future of the city receded with no further Soviet agitation concerning a treaty. A major\xa0outcome of the Berlin crisis was\xa0a new understanding between the United States and the Soviet Union.

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