Given that like most people, Francesca is pretty good at detecting subtle expressions. she would probably have the most trouble discerning non verbal threats.
When used to insult someone, a variety of disparaging body language or gestures, such as rolling one's eyes, smirking, muttering, ignoring, invading one's personal space, or placing one's hands on one's hips, become abusive. These power displays, which can be difficult to recognize, are frequently sneaky and covert or passive-aggressive.
The nonverbal cues used to indicate aggression include crossing one's arms, stepping outside of one's personal space, rolling one's eyes, and appearing uninterested when other people are expressing their needs.
Read more on non verbal threats here: https://brainly.com/question/29217453
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