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The Soviet Union informed Turkey that the way in which the latter was handling the Turkish straits no longer represented the security interests of its fellow Black Sea nations, escalating the Turkish Straits crisis.
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Turkish straits
Two waterways in Turkey
The Turkish Straits are two internationally significant waterways in northwestern Turkey. The Straits create a series of international passages that connect the Aegean and Mediterranean seas to the Black Sea. They consist of the Dardanelles and the Bosphorus. The straits are on…Source: Wikipedia (CC BY-SA)
Black Sea
Eurasian sea northeast of the Mediterranean
The Black Sea is a marginal mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Romania, Russia, Turkey, and Ukraine. The Black Sea is supplied by…Source: Wikipedia (CC BY-SA)
Turkish Straits crisis
Cold War territorial conflict
The Turkish Straits crisis was a Cold War–era territorial conflict between the Soviet Union and Turkey. Turkey had remained officially neutral throughout most of the Second World War. After the war ended, Turkey was pressured by the Soviet government to institute joint military…Source: Wikipedia (CC BY-SA)