Final answer:
The Axis Powers were led by Hideki Tojo, Benito Mussolini, and Adolf Hitler, making 'd) Tojo, Mussolini, and Hitler' the correct answer.
Step-by-step explanation:
The leaders of the Axis Powers included Hideki Tojo of Japan, Benito Mussolini of Italy, and Adolf Hitler of Germany. These individuals were instrumental in forming the Axis alliance and played significant roles in World War II, leading their respective nations through the conflict. Notably, Joseph Stalin was not part of the Axis; he was a leader of the Soviet Union, which was allied with the United States and the United Kingdom under the "Big Three." Therefore, the correct answer to the question is 'd) Tojo, Mussolini, and Hitler.'