Answer:
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The contact with other cultures and points of view helped to open the continent to new ideas, turning the feudalism an outdated system.
Direct democracy is when everyone in a country votes on something. People's rights might be denied because it would be a tyrannical rule of the majority. For example, there's only 15% African-Americans in the US. If the 85% Caucasian population decided to vote something that was against the rights of the African-Americans, they wouldn't be able to oppose this because they would be a minority.
All organized communities have government, leadership, form of currency or trade, and citizens, etc. Hope this helps.
It can be a large waterfall or it can be a medical condition in which the lens of the eye becomes constantly opaque, which is a result of, blurred vision.
Hope this helped!
Congress imposed economic sanctions.