Answer:
a is 1.
b. is 2.
and c is 3.
BTW, this is not a guess.
If Americans were aware of the repeal of England's Orders in Council, they may not have gone to war.
United States participation in the ICC treaty regime would also be unconstitutional because it would allow the trial of U.S. citizens for crimes committed on U.S. soil, which are otherwise entirely within the judicial power of the United States.
The answer is B. they were looking for work.