I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Both of the construction projects required a lot of manpower, so many unemployed men were hired.
I think is yes because if they never occurred than no one would discovered or have those things they will have to try to make them by themselves
1.) Better roads
2.) Tracks si it was better to navigate
C) forcing debate on policy alternatives
