What positive effects did the Crusades have on Europe?

helped gain new ideas from other cultures

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The contact with other cultures and points of view helped to open the continent to new ideas, turning the feudalism an outdated system.

How did Theodore Roosevelt’s Corollary influence US foreign policy? The way that Roosevelt’s corollary influenced the US foreign policy was by displaying how the United States would take a more aggressive role in the world. Therefore the correct answer to this question from the options shown above would be choice D). I hope it helps, Regards.