What prevented Osman's control of trade between the Black & Mediterranean Seas?

In mesopotamia measurements of time developed in order to track

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d. cities with shipyards declined because so many ships had been sent overseas.

The unification of italy and germany was masterminded by strong leaders who relied on . the main leaders were otto von bismarck in germany and in italy. these leaders used to unite people in supporting their aims.