Akey that made an industrial america possible inventions skilled craftsman factories populationm growth

What is the purpose of the system of checks and balances

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.

What were the causes and effects of the war in 1812