... present, the post office has helped develop and subsidizeevery new mode transportation in the United States. Transportation has been themost important element in mail delivery. Even when the general ... friendly and efficient.A. well-done B. well-appointed C. well-behaved D. well-trained9) EMS stand for ____.A. Electronic Mail Service B. Express Mail ServiceC. Economic Mail Service D. Environment ... answer.Between the Revolutionary period and the World War I, the United Statespost office was set out to improve transportation of the post office mails. Fromthose early days to the present,...