Why did Japan join the Axis powers?

Japan decided to attack the United States and British forces in Asia and seize the resources of Southeast Asia. The Axis powers are formed as Germany, Italy and Japan become allies with the signing of the Tripartite Pact in Berlin.

The Axis grew out of the diplomatic efforts of Nazi Germany, the Kingdom of Italy, and the Empire of Japan to secure their own specific expansionist interests in the mid-1930s.

Explanation:The Axis powers, originally called the Rome–Berlin Axis was a military coalition that fought in World War II against the Allies. ...

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves