Answer:
d would be the best answer
Explanation:
the answer to your problem is option b
Napoleon lost power due to his failed major military campaigns. He tried to split his army to fight in two different fronts. He also retreated back to Paris after a crushing defeat.
The aftermath of World War II was the beginning of an era defined by the decline of the old great powers and the rise of two superpowers: the Soviet Union and the United States of America.