The biggest one was Operation Overlord (D Day)
Answer:
Indus civilization, also called Indus valley civilization or Harappan civilization, the earliest known urban culture of the Indian subcontinent. The nuclear dates of the civilization appear to be about 2500–1700 bce, though the southern sites may have lasted later into the 2nd millennium bce.
The correct answer among all the other choices is Steam locomotive. This is the transportation development that had the greatest long-term impact on the American economy. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
This was brought by several factors such increased
productivity and new developments in technology. War bonds were earning and the fact that the U.S.
economy remained intact and that it practiced rationing and saving of basic
commodities helped boost its postwar development. New jobs and high wages were plentiful and
industries began to rise during this period.
