How does the U. S economic output compare with those of other world nations?

What was the overall impact of eli whitneys introduction of interchangeable parts?

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u.s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?

How did the economic impacts of the great depression differ in the united states and in the soviet union?