hi! you may find something of interest in these related threads

• Why didn't advanced civilizations like the Romans think to travel across the Atlantic?

• Could Ancient Romans have sailed to South America in the 5th or 6th century?

• Did the Roman Empire, at any Point have knowledge of the continent of North America?

Id like to ask if someone could also specificly talk about their ship building capabilities and desings and their navigational tech.

Thank you.