Nowhere was that diversity more evident in pre-Revolutionary America than in the middle colonies
Point of View. If the author's purpose is the why behind the writing, the point of view is the who. Point of view is all about who is telling or sharing the details. In informational text, it's the author telling the details.
The answer is distress or distressing. It is because in the 4d's, it is likely that distress is the answer for it is linked to Tony's behavior. For distress enables other people such as their friends and family to feel pain or anxiety with a given behavior or feeling that could make them feel this way. It could be point out above as Tony affects his parents because of his behavior making them feel pain and discomfort.
The production possibilities frontier is the line that shows the maximum possible output for that economy. Efficiency means using resources in such a way as to maximize the production of goods and services. An economy producing output levels on the production possibilities frontier is operating efficiently.