The Jets and the Sharks are two groups of local youths who regularly-and belligerently-compete against each other. The Robbers Cave experiment would suggest that one way of healing the rift between these groups is to

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The Robbers Cave experiment demonstrated that intergroup conflict can be reduced by having groups work together on superordinate goals that require cooperative efforts, thus fostering a sense of unity and reducing hostility.

The Jets and the Sharks Are Two Groups of Local