Answer :
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In this scenario with Marcos, the concept that overwhelmed his personal values is **a. Deindividuation**. Deindividuation refers to a psychological state where a person loses their sense of individual identity and personal responsibility in a group setting. When Marcos joined in damaging property during the protest rally, he likely experienced a reduced self-awareness and accountability due to being part of a large group engaged in similar actions. This led him to act in a way that was inconsistent with his personal values, as seen by his surprise when he saw the news reports later.
Destructive obedience and obeying an authority involve following orders or commands from a figure of authority, which doesn't directly align with Marcos's situation in the given scenario. Cohesiveness, on the other hand, pertains to the unity and bonding within a group, which can influence behavior but is not the central concept at play here.
In summary, Marcos's participation in damaging property despite his personal values being overwhelmed by the group dynamics and reduced sense of individuality aligns with the concept of deindividuation.
