10 years Harriet work for steward
Option 'B' = changes in climate, had the greatest impact on pre-historic man.
Changes on the weather forced men to move periodically or cyclically, usually returning to their original location at various times. When they moved to colder climates, they would make clothing out of animal skins, to protect themselves. When the nomads learned how to plant, they didn't need to search for other places anymore.
One could be the rise of towns and the crusades. The Crusades was a campaign to reclaim the
Holy from Muslim rule. Despite the
number of campaigns launched. The Holy
remained under Muslim control and this weakened the feudal system as the
nobility spent most of their wealth on these campaigns. This led to the growth of towns where merchants
grew rich and became a force in society which led to the rise of the
Renaissance where interest was centered on the classics.