Answer:
a process that is making the world's citizens increasingly interdependent
Explanation:
Mesopotamia was located next to a river, as well as many other civilizations. Next to rivers there is fertile land, and clean water so it was easy to create a big civilization
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Started with discontent in Poland, and continued in Hungary, the German Democratic Republic (East Germany), Bulgaria, Czechoslovakia, and Romania. Romania was the only communist state in Europe to violently overthrow its communist government.
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