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What were three technologies that helped the indian ocean trade

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Answer:

compass, astrolabe, lateen sail, stern-post rudder, etc.

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User Meverett
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Answer:

Innovations in navigational technology (compass, astrolabe, lateen sail, stern-post rudder, etc.) helped significantly increase the volume and extent of trade in the Mediterranean and the Indian Ocean.

Step-by-step explanation:

User Dongho Yoo
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