What do anthropologists speculate that the handshake, the hug, and the bow with hands pressed together all originated to demonstrate?

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Anthropologists speculate that the handshake, the hug, and the bow with hands pressed together all originated to demonstrate that a person was not carrying a weapon. This is particularly relevant in societies where weapons were commonly carried and concealable. By showing both hands, it was a sign of peaceful intention and a lack of threat.

What Do Anthropologists Speculate That the Handshake, the Hug, and the Bow