What were the Crusades and how did it spark an interest in trade?

The Crusades were a series of wars between two religions.

Explanation:

The Crusades fought between Christians and Muslims to recover the Holy Land from Islamic rule(Turks). The main goals of wars were to stop the increase of Muslim states and to regain areas that were part of Christian. The crusades also resulted in introducing of trade between Europe and Asia. The introduction of food like sugar, coffee, sherbet, rice, and fruits along with new goods like compasses, textiles, and carpets, helped increase trade with the East.