Answer :
skilled workers formed guilds or catholic church controlled trade routes
The Economy of Western Europe change after the Crusades because of increased trade created a merchant class and the Catholic Church controlled trade routes.
What is Crusades?
It simply means a strong mission for the change of political, social, or religious.
- Created a merchant class due to increased trade :
Means to use the money, which destroy the base of slavery the northern cities of Italian. they lead to raise the authority of the popedm, this is the result after crusades.
- The Catholic Church also controlled trade routes:
Means Catholic nations started to setting up colonies [like British colonies of new York] for political profit and economic profit in the given foreign lands, after the Crusades.
Therefore,
the option (B) and (D) is correct.
For more information about Europe change, refer the link given below:
https://brainly.com/question/2153176