In His Classic Study (1966), How Did Sherif Reduce Intergroup

In his classic study (1966) , how did Sherif reduce intergroup rivalry between the Rattlers and the Eagles, two groups of boy campers?

A) He explained that he had created the conflict between them.
B) He fostered intergroup cooperation by setting up conflict with the Sharks, a different group.
C) He fostered intergroup cooperation by setting up superordinate goals.
D) He increased their self-awareness and appealed to their better nature.