Was one effect of the crusades on western Europe?

What are two ways people traveled west? What is the Medieval symbol for steel? What was the starting point on the middle passage? What are two reasons why west Africa felt the effects of the slave trade? When did the crusades start and finish? What were the most common products in the colonies' western frontier? Which period is often called the golden age a time when Egypt had reached the high of its power? To what extent was the agricultural revolution responsible for the development of early civilizations? What person is the most responsible for bringing an end to the Cold War why? Is it true the Romans developed arches to support foundations beneath buildings? What new building material did the Romans rely on to construct their large round arched and barrel-valted buildings? What prevented Europeans from exploring in the middle ages? What is the word for a period of time that is marked by particular or stages of development? What is a Medieval person called who travels to visit a special holy place? Who invented tuxedos? Is the Roman colosseum know as the sports arena? How did goods and ideas get transported across the deserts? When During the Renaissance Europeans uncovered knowledge collected by the Greeks and? What is the Term for transportation of slaves to the Americas from the west coast of Africa? Why did so much of roman culture have so much greek flavor?