Actually, the answer is B "the development of the hydrogen bomb" :)
1) A
that's the only one I know sorry
C. Long-distance shipping is most directly affected by the ruling in Gibbons v. Ogden, since the ruling stated that the same power to regulate commerce can be used to regulate navigation.
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.
Answer:
The Truman Doctrine was an American foreign policy whose stated purpose was to counter Soviet geopolitical expansion during the Cold War.
Explanation:
