Is it true that america was not pulled out of the great depression until after wwii?

The irish and germans of the 1840's were part of the new immigration. true or false

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

Did the both the us and ussr have atomic weapons after 1949