Plz !

the crusades were military expeditions undertaken by

european christians to regain the holy land from the muslims.

muslim armies who sought to conquer christian europe.

christian and muslim armies who joined to fight the mongols.

european christians who wanted to destroy constantinople.

European Christians to regain the Holy Land from the Muslims.

Explanation:

The crusades where an effort to regain the holy lands from those who ruled it at the time (the muslims). Crusade literally means "holy war".  Hope this helps!

I agree with the person who answered before me! It’s option one! :)

the 2nd option is the answer

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs