How did the war industries board led by bernard baruch prepare the us for war?

In late spring 1917, immediately after the U.S. entered World War I, President Woodrow Wilson proclaimed, 'it is not the army we must train and shape for war, it is a nation'

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.