Answer: President James Madison
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.
The answer to the question of how did Saladin feel about the Christian armies coming to the Holy Land is :
He felt the Christians were the infidels who needed to be forced out of the Holy Land.
<span>C. House Un-American Activities Committee--this committee was created for the full purpose of investigating possible spies or threats to American security.
This group targeted Hollywood actors/actresses for their liberal slant in the media. Intellectuals were also targeted as a source of communist ideology. Eventually small accusations turned into "witch-hunt" practices by the federal government. </span>