What is the correct possessive form of the bold words if they are showing joint ownership? formed, in part, from the rio grande, the united states and mexicos border stretches 1,900 miles long. united state’s and mexico’s united states’ and mexico’s united states’s and mexico’s united states and mexico’s

Araby every morning i lay on the floor in the front parlour watching her door. the blind was pulled down to within an inch of the sash so that i could not be seen. when she came out on the doorstep my heart leaped. i ran to the hall, seized my books and followed her. i kept her brown figure always in my eye and, when we came near the point at which our ways diverged, i quickened my pace and passed her. this happened morning after morning. i had never spoken to her, except for a few casual words, and yet her name was like a summons to all my foolish blood. what is the general tone of the passage? a. courageous b. comical c. passionate d. fearful