The reason they need to belong theory explains our social behavior is that humans have a basic interest to be among people of like minds to establish cordial relationships.
The need to belong has been found to help human ancestors in the past, as it was believed to have made them survive and pass their genes.
Humans who belong can easily establish relationships among themselves and procreate their genes.
Hence, in this case, it is concluded that the need to belong theory is an important factor to consider when explaining human behavior.
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