How is the Crusades relate to trade?

Are there any islands in Czech Republic? What else did Sebastian Rodriguez cermeno do? What was the name of the ship that francisco pizzaro sail? How many men did hernan cotes take on his ship? Is sail a common noun? Why does the dutch-built ship sail so erratically and the ground itself on the reef? Did Sebastian vizcaino accomplish his goal? How long does it take to sail from marbella to st tropez? How long dose it take to get fro Nassau to coco cay on a ship? Which explorer was able to find an all-water route to aisa? Is burmuda a island? Is Saint Elmo the patron saint of sailors? Which mountain changes colours daily? Where did the trade routes begin to open? Which explorer was the first to sail past the cape of good hope? How long to travel 40 nautical miles at 21 knots? How many ships did the dutch have? What route did the Portuguese take to the Indies? What oceans are in the southern hemisphere? Which group of islands are located in the Caribbean seas?