Which term is defined by demands or expectations to behave in a certain way

A)  frustration 
B)  stress 
C)  pressure 
D)  conflict

Pressure

A feeling of stress or urgency caused by external or internal demands influencing an individual's well-being.

Expectations

Beliefs or forecasts about future events, which can influence perceptions and behaviors.

Demands

Expectations or requirements that are placed on an individual by themselves, others, or by situational circumstances.