The German-Japanese Anti-Comintern Pact was one of a series of agreements leading to the formation of the Axis Powers. Ostensibly directed against the Comintern, an association of national communist parties that degenerated under Stalin into an instrument of Soviet politics, the pact contained a secret agreement stating that if either signatory power went to war with the USSR, the other would maintain a benevolent neutrality. What other countries eventually signed the treaty? Discuss