Explanation: the crusaders did meet people and probably had interest and when they return home they shared those new ideas and people used those ideas in there lives
In a nutshell, the Crusades helped to end the Feudalism
The Crusades were one role in the vast play we call the decline of feudalism. How did these military movements help? The Christian armies that were going to retake the Holy Land were making the economy work. They had to buy and sell goods, promoting a trade exchange that was crucial to the urban renaissance. Beyond this economic factor, the Crusades were responsible for a cultural exchange that was good for Europe. The contact with other cultures and points of view helped to open the continent to new ideas, turning the feudalism an outdated system.
Although Athens had a "direct democracy" instead of a representative one like in the US, the main similarity was that the citizens were in control of the "direction" and policies of the state, since they could control what legislation was passed.
C. The United States bought the Oregon Territory from France for $15 million
The United States actually purchased the Louisinna Territory from France for $15 million.
