Final answer:
The short-term impacts of the Crusades included weakening of powers and damage to the economy, while long-term effects involved influence from advanced Islamic society, growth of the bourgeoisie, and the failure resulting in destruction of the Byzantine Empire.
Explanation:
Short-term impacts of the Crusades:
- Left both sacred and secular powers weaker
- Damage to the economy
- Shift in thinking due to exposure to Greek and Roman writings
Long-term impacts of the Crusades:
- Europeans were influenced by advanced Islamic society and knowledge
- Growth of the bourgeoisie due to supplying the crusaders
- Failure of crusades led to destruction of the Byzantine Empire and growth of sea power in Genoa and Venice
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