Answer:
Can you elaborate a little more so that I can help you please
Answer: Supply and demand.
Explanation: The technical term is command Economy
No options provided,
However, feudalism decline mainly begun when feudal lords were allowed to pay armies rather than fight themselves in the battles. More also, the black death made labor scarce and worthy commodity, at the same time when the peasants migrated to urban areas. Emergence of new towns, and trade opportunities also entrenched the kings powers and made the government centralized. other factors included the crusades and the age of exploration.
The last one...."One that is accepted by its people and other governments as the sovereign authority of a nation."
