What were the challenges not faced by the Explorer in the ship

There are many challenges faced by the explorer in the ship.

Explanation:

The explorer faces many challenges in order to explore the world. They move from one region to another through sea in ships. These ships have no navigation system, the maps that were present in that time were not accurate. These explorer risks their lives by travelling in the ships because when the storm hit the ship, there is very little chances of survival. These ships were made of wood so high chances of damage when hit with the big stone.