C
step by step explanation: c
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 <em>the loss of potential gain from other alternatives when one alternative is chosen. </em>The potential gain Harry may have lost by choosing to go to his parents for dinner instead could be <em>relaxation while fishing, His house painting being finished, and time spent with his friends at the birthday party. </em>These all can be considers lost opportunity due to choosing an alternate opportunity, that being dinner at his parents.
battle of antietam i think
Number 18 would be "D".
Number 19 would be "A".
Number 20 would be "C".
Number 21 would be "C".
Number 22 would be "D".
Number 23 might be "C" I'm not sure, lol.
the government outlawed participation in strikes and other forms of labor protests (apex)