Caroline acts strangely and it interferes with her life. she uses an old grocery cart to collect trash from the street. she wears multiple layers of clothing even when it is hot outside. she frequently seems to be talking to someone, though no one is nearby. caroline is most likely

Displaying the disorganized behavior that is associated with schizophrenia

Explanation:

Schizophrenia is a psychological disorder. It is a chronic disorder. In this disorder, the person has persecutor delusions and false beliefs about others. The perception gets distorted. The person gets paranoid that someone or govt. is planning to kill him. People are talking about him. The person gets paranoid and sometimes harms himself. According to DSM 5, the patient has six-month criteria for diagnoses of schizophrenia. There are at least six symptoms present in the patient.  

Thus above symptoms indicates that Carolina suffered from the severe condition of schizophrenia.

dude you should crop your image so only the question shows. but   can you explain it better

probably 3 since archeologists and historians don’t understand there writing.