The type of technologies that the European empire utilized or developed to establish and maintain their sea based empire are; <u><em>New ships and other maritime technology which includes lateen sails and improved charts.</em></u>
The empire being referred to here is the European empire. This was a period called the Trans-Ocenanic Interactions that spanned a period from the year 1450 to the year 1750.
This was a period when the Europeans arrived in Americas, Africa's, and Asia and as a result had to create maritime empires which is also called sea based empires. For these their trans oceanic movement they had some tools and instruments that were very helpful to their foray via their empires and these include new ships and other maritime technologies like lateen sails and improved charts which were very useful in their maritime reconnaissance.
