Civil rights leaders believed the best way to bring about change involved protests, such as the Birmingham campaign.
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.
A hasty generalization is a conclusion based on a small sample size, rather than looking at statistics that are much more in line with the typical or average situation.
A sample of hasty generalization is when FDR says in his speech that the attack yesterday on the Hawaiian Islands has caused severe damage to American naval and military forces. I regret to tell you that very many American lives have been lost. FDR based this conclusion on what probably was told but not even the military at Pearl Harbor knew the exact numbers of deceased but several day later.
WW1 made Russia to leave during the war, so it was one of the factors that made them have a revolution