Germany, italy, and japan formed the tripartite pact in part because they:

They wanted to support one another in conquering Europe and Asia.

Explanation:

Germany, Italy, and Japan all were countries that happened to share a ruling philosophy based on aggressive territorial expansion. So it seemed like a good idea, since Germany and Japan were allies more than once throughout history, that they would come out with an agreement to stay out of each other's business.

the answer is c.

i hope this .