What were the new developments helping European navigation in the 15th century?

Answer:

• The invention of magnetic compass in 1380 CE helped in searching and identifying four cardinal directions. These directions were North, South, East and West.
• Manufacturing of sailing sea helped the sailors to sail much safer and comfortable. Larger ships were built which could carry a large quantity of cargo.
• The Travelogue of Marco Polo also helped a lot in European navigation and created wide interest among the people.
• Travel literature and books on geography were also available.