Well the Raft is a start... Lifeboats and Life-Preservers
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The invention of the Portuguese ship, the caravel, made travel across the open tropical ocean and against the wind possible in 1492.
Compass
The Portuguese invented the caravel, a ship that made travelling easier and faster.
The monopode
The sail boat
The sea made travel easy.
the anti-sea monster spear, which was invented in 1723, and the super tough boat
The compass and the astrolabe.
Rome was in Italy, which is between the eastern and western basins of the Mediterranean. This made travel in either of them easier. The narrow strip of water between Sicily and Africa also made easier to control this passage between these two parts of this sea.
Answer this que Monsoon winds made sea travel from Somalia and Arabia easier during certain times of year. Traders took advantage of this to transport goods quickly along Indian ocean trade routes. stion…
Instruments: Lateen sails Improvments: Caravel