The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population:)
The correct answer (c.) Vienna. Vienna is the capital and largest city in Austria and was the European city was divided into four sectors during Cold War. These four sectors or powers were the United State, United Kingdom, France and the Soviet Union.
