Italy is the country that changed sides about a year after World War I began and joined new sides. Italy was actually part of an alliance that included the countries of Austria-Hungary and Germany. It was actually part of the Triple Alliance before World War I. I hope the answer helps you.
The answer is a. Ming and b . Shang
Answer:
Yes, the plague was bad
Explanation:
Plagues can wipe out lots of people and/or make them sick. It can cause isolation and downfalls of entire empires.