crusade

a series of actions advancing a principle or tending toward a particular end; "he supported populist campaigns"; "they worked in the cause of world peace"; "the team was ready for a drive toward the pennant"; "the movement to end slavery"; "contribut

यार, अमेरिकन, वे तो बस, जैसे ये “, धर्मयुद्ध.

In the medieval times the crusade began