What might a president do to indicate his or her belief that a portion of the legislation just signed into law is unconstitutional and that he or she intends to disregard it or implement it in some way other than congress intends?

issue a signing statement

Explanation:

Based on the information provided within the question it can be said that in this scenario the president may issue a signing statement. Like mentioned in the question this term refers to a written pronouncement issued by a President of the United States stating that he/she believes that a particular provision would be unconstitutional in many of the applications in regards to the bill about to be signed into law.

Peer Pressure is the type of social influence explains why Jon conformed to the behavior of his friends.

Peer pressure means when an individual takes part in or initiates activities which he or she does not personally feel are right to get the approval of his or her peers.People tend to do this to feel they are a part of a peer group and get accepted in it wholly. It makes people change their values, morals, codes, etc. to please their peer group.

Peer pressure is more common among teenagers. It usually has an adverse affect on them as they fall under depression, develop severe psychological eating disorders or abuse substances all because of peer pressure.Peer pressure can have positive affects as long as a person is a part of a peer group who are more mature, sensible, can differentiate between right and wrong and would not indulge in activities that would have long-term adverse effects.