Answer:The opportunity cost in this scenario is the three lost opportunities Harry experiences by deciding to go to his parents house. The term opportunity cost refers to the loss of potential gain from other alternatives when one alternative is chosen. The potential gain Harry may have lost by choosing to go to his parents for dinner instead could be relaxation while fishing, His house painting being finished, and time spent with his friends at the birthday party. These all can be considers lost opportunity due to choosing an alternate opportunity, that being dinner at his parents.
Explanation:
Another way your question could be framed is “why do nations use imperialism on weaker countries?” and the simple answer is there are several motives such as ethnocentric purposes, religion, access to natural resources, expanding power, etc. Specifically people resort to imperialism on weaker countries because they are vulnerable to accept whatever helps the people survive in times of unrest.
TRUE, the Gold Exchange Standard is a monetary system in which gold is taken out of the market and instead given notes or certificates(paper) as a type of currency/symbol that at any moment you could exchange for gold with the government, this system was abandoned by most nations by the 20th century, but most of them still keep gold as part of their guarantee and support to their national currency