Answer:
The line “I doubted if I should ever come back” shows the most regret.
<span>This shows an example of "</span>Imaginary audience".
The imaginary audience alludes to a state where an individual envisions and trusts that huge numbers of individuals are energetically tuning in to or watching him or her. In spite of the fact that this state is regularly shown in youthful puberty, individuals of all ages may harbor a dream of a nonexistent group of onlookers.
Answer:
The Drawbacks of Federalism. Federalism also comes with drawbacks. Chief among them are economic disparities across states, race-to-the-bottom dynamics (i.e., states compete to attract business by lowering taxes and regulations), and the difficulty of taking action on issues of national importance.
This would impact the mans ability to absorb oxygen and to expel carbon dioxide