Answer:
In the goal to build up its military, Italy switches side/alliance in World War 2.
Step-by-step explanation:
Previously, Italy had been members of the Triple Alliance with Germany and Austria-Hungary since 1882. However, this alliance was unpopular with large numbers of Italians and there was some doubt about Italy's military involvement in event of a war with members of the Triple Entente (Britain, France and, Russia). In World War 2, Italy joined the alliance contains the United Kingdom, USA, France and etc. This alliance was led by the USA which has a big military and a lot of weapons, that can help Italy to build up its military while the period of World War 2