What were the main technology advancements that enabled indian ocean trade

 Improvements of maritime technologies like lateen sails (the first triangle-shaped sails, allowing ships to be far more maneuverable), dhow ships and the astrolabe (an instrument that vastly increased accurate navigation by measuring the stars), helped sailors navigate safely and consistently throughout the Indian ...

Explanation:

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.

Explanation:

the answer is 250 percent.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.