Answer:
d) Wudi
Emperor Wu is considered one of the greatest emperors in Chinese history due to his strong leadership and effective governance, which made the Han dynasty one of the most powerful nations in the world.
Explanation:
Monarchies are ruling organizations in which one person has supreme control over the people and government of their nation.
Oligarchies are ruling organizations in which there are a select few people in power and they mostly have control over the people and government, but it is more streamlined.
Democracies are ruling organizations in which the central government has more power than the people, which make several decisions for the people of a nation.
Margarine and butter are examples of substitutes.