The "Axis powers" formally took the name after the Tripartite Pact was signed by Germany, Italy, and Japan on 27 September 1940, in Berlin. The pact was subsequently joined by Hungary (20 November 1940), Romania (23 November 1940), Slovakia (24 November 1940), and Bulgaria (1 March 1941).
Answer:
Germany
Italy
Japan
Hungary
Kingdom of Romania
Slovakia
Kingdom of Bulgaria
Explanation:
