Disease was the most dangerous thing
The 14th amendment states most rights found in the Bill of Rights be protected from the state government orders and processes, as well.
The bill of rights protected citizens against federal infringement of their rights
Historical context should be your answer
The answer would be B.
"A" would make no sense since this was after the war.
"C" would also make no sense cause there is no nuclear base on the moon.
"D" another planet can't be claimed as Territory.