How and why has civilization changed overtime?

What did a medieval scullion do? What were the three major changes over time that caused civilizations to be modified? What happened in eastern europe? What was the name of the roman empire when Jesus was crucifies? When did witches hunts begin? What is the primary characteristic of European feudal society? What were peasants called who were tied to the land? How did economy effect the fall of the roman empire? What time is 1540? What are myriad subtleties? The first crusade was led by who? When was The Downfall of Osen created? What is the Term for transportation of slaves to the Americas from the west coast of Africa? Who held power in the English renaissances? What happened in the year 1200? Where does the last name pudelski come from? What was a more important invention writing or the wheel? What present day nation did the Renaissance begin? Why was Charles Martel's victory at the Battle of Tours important to European history? Where does the name steave originated from?