How did the Commercial Revolution lead to the Age of Exploration?

Where did martin Luther king jr meet his wife? When did the renaissance in Europe begin? What effects did the Crusades have on medieval Europe? What are the main differences between the 1500s and today? What did many of the people who supported or fought in the crusades forget? Why is chronological order important? Who invented haircuts? Who ruled the roman empire the longest? Approximate date of the origins of human life in the Western Hemisphere? What is your Patronymic? Did YouTube come on the internet in 2005? How many Crusader states were there? What calendar year is the same as 1977? What are the results of the age of exploration in the fifteenth and sixteenth centuries? Who paid for Romans games and why? What two resources made west Africa kingdoms wealthy? Where did medieval people get the things they needed? What does 'Hanshi' mean? Did hadrian expand empire? What technologies made life easier for Chinese merchants and traders during the postclassical era?