Final answer:
Prince Henry's encouragement of sea exploration led to the establishment of trading ports and technological advancements.
Explanation:
Prince Henry's encouragement of sea exploration led to significant effects:
- Establishment of trading ports: Portuguese exploration resulted in the establishment of trading ports along the coast of West Africa and in India.
- Technological advancements: Technologies such as the compass, the astrolabe, and the caravel were developed, aiding in further exploration and trade.
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