I would say the answer is C.
ummmto be honest its c
it was made to deliver goods to point A to point B if i remember right it's in US History
the government closely monitored its finances to avoid another financial collapse.
it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.
a railroad for the east coast