why did germany italy and japan form an alliance
On this day in 1940, the Axis powers are formed as Germany, Italy, and Japan become allies with the signing of the Tripartite Pact in Berlin.The Pact provided for mutual assistance should any of the signatories suffer attack by any nation not already involved in the war.ublisher. A+E Networks. On this day in 1940, the Axis powers are formed as Germany, Italy, and Japan become allies with the signing of the Tripartite Pact in Berlin. The Pact provided for mutual assistance should any of the signatories suffer attack by any nation not already involved in the war.