What Countries did the Soviet Union invade at their highest point

At the end of World War II, the Soviet Union occupied Bulgaria, Romania, Hungary, Poland and eastern Germany. Great Britain, the United States, France, and the Soviet Union divided Germany and Berlin into four occupation zones to be administered by the four countries.

The former superpower was replaced by 15 independent countries: Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan.

Hope this helps, Brainliness please and thank you

answer-the island had airfields that the u.s. military needed.