Trade Winds: Trade winds are steady prevailing winds that blow in predictable patterns across specific regions. Sailors relied on these winds during long voyages to navigate efficiently.
Scorbutus (Scurvy): Scurvy is a disease caused by vitamin C deficiency. It affected many sailors during long voyages due to lack of fresh fruits and vegetables.
Magnetic Compass: A magnetic compass is an instrument that uses Earth's magnetic field to indicate direction. Sailors utilized this tool for navigation during long voyages.