Final answer:
The great powers of medieval Europe around 1200 were the Kingdom of Norway, Scotland, Sweden, Denmark, Poland, Hungary, Aragon, Castile, Navarre, Leon, England, France, and Papal States.
Step-by-step explanation:
The great powers of medieval Europe around 1200 were the Kingdom of Norway, Kingdom of Scotland, Kingdom of Sweden, Kingdom of Denmark, Kingdom of Poland, Kingdom of Hungary, Kingdom of Aragon, Kingdom of Castile, Kingdom of Navarre, Kingdom of Leon, Kingdom of England, Kingdom of France, and Papal States. These powers held significant political and military influence in Europe during this time period.