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.
A is the answer, expansionism
Answer:
Option: b. had little or no knowledge of sterilization.
Explanation:
Medical practitioners during the 17th century and 18th century had very little knowledge about the sterilization. Sterilization was little known during this period because practitioners were still learning how to treat people and did not give priority to sterilizing. Sterilizing the surgical instruments was not much in a process. It became increasing use in the late 18th century.