Harry, a fourteen-year-old, wants to join the army when he is eighteen. he believes that defending the country is a man's job, because men are brave and physically stronger than women. harry's beliefs and expectations about the responsibilities of men can best be explained by the

Harry's beliefs and expectations about the responsibilities of men can best be explained by the "social rule theory".

Social rule theory is the rule that people carry on contrastingly in social circumstances and take diverse parts, because of the desires that society puts upon them (counting sexual orientation stereotyping). This incorporates ladies taking places of lower control, meeting 'unattainable ranks', having home-production parts, and so on.