I believe they became important members in the Cold War.
Answer:
Because they were the first to land on the moon.
Mark BrAiNlIeSt PlEaSe
Germany fought Russia/USSR and France in both world wars. Both Italy and Japan where aligned with Third Reich in WW2, but fought against Germany in WW1. Italy did align itself with the German Empire in the years leading up to WW1, so that is the best answer out of all of these. However none of them are truly correct.
Answer:
they help each other
Explanation:
they can be help each other and have their own solutions