What was one of the Crusades' important long-term effects?

One of the Crusades' important long term effects were

Who:Pope Urban the second

What:"holy war" (to recapture the holy lands from the Muslims)

When:1095 and there were 9 holy wars which continued for 200 years)

(the results were that they failed)

(affect:great achievemens of the Muslims)

- I hoped that answered your question!!!:-)