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Discuss evolutionary explanations of group display in humans

From an evolutionary perspective, it has been emphasized that Natural selection has favored genes that cause group member to be altruistic toward members of their own group, but intolerant towards outsiders. This is known as Xenophobia-a fear and hatred of strangers or foreigners.
MacDonald suggests that over exaggerating the stereotypes of outsiders helps survival as seeing an exaggerated threat is safer than under estimating a threat.

From an evolutionary perspective, it has been emphasized that Natural selection has favored genes that cause group member to be altruistic toward members of their own group, but intolerant towards outsiders. This is known as Xenophobia-a fear and hatred of strangers or foreigners.
MacDonald suggests that over exaggerating the stereotypes of outsiders helps survival as seeing an exaggerated threat is safer than under estimating a threat.

From an evolutionary perspective, it has been emphasized that Natural selection has favored genes that cause group member to be altruistic toward members of their own group, but intolerant towards outsiders. This is known as Xenophobia-a fear and hatred of strangers or foreigners.
MacDonald suggests that over exaggerating the stereotypes of outsiders helps survival as seeing an exaggerated threat is safer than under estimating a threat.

From an evolutionary perspective, it has been emphasized that Natural selection has favored genes that cause group member to be altruistic toward members of their own group, but intolerant towards outsiders. This is known as Xenophobia-a fear and hatred of strangers or foreigners.
MacDonald suggests that over exaggerating the stereotypes of outsiders helps survival as seeing an exaggerated threat is safer than under estimating a threat.

Threat display-a protective display to an invasion of one’s territory could be another explanation for the evolution of group display. Huntingford and Turner proposed that territorial behavior is common in many animal species; it occurs when they feel threat from outsiders and therefore act in great vigor in order to protect their home territory.

This territorial display has also been found I humans, for example during the Rugby Would Cup the country Samoa was found imitating a manu siva tau war chant that they adopted form their ancestors. This display intimidated opponents and made the home team more aggressive towards them. This suggests that aggressive displays would have been adapted from distant ancestors because they allowed groups to defend valuable resources associated with their territory.