When the civil began, most of the railroad track in the united states was in the

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

hey

the answer to your question is c the civilian conservation corps

civilian conservation corps

which put thousands of men and women to work for contruction during   1933 to 1942