What are 3 main causes and 3 main effects of the crusades?

Although the central purpose of the Crusades was to get the charge of Jerusalem off from the Muslims, there were several causes why European knights and others were prepared to go and confront a combat in a different land.

Although the crusades abandoned to seize Jerusalem, they had numerous significant influences on Western Europe.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.  

the soviet union wanted to impose communist governments in eastern europe.