Name the American businessman who adjusted his production and built many ships in WW2.

Henry John Kaiser is the business man being talked about here.

Explanation:

In US, most of the shipbuilding as well as other logistic requirements were fulfilled by industrialists and businessmen on governmental approval and sanctions.

One of the greatest of these was Henry John Kaiser.

He was the American businessman who adjusted his production and built many ships in WW2.

He is touted to be the man responsible for the process of modern ship building because at it speak the production in Us was so massive that the world could not keep up with it.

for your : )

c) they were beaten and fired from their jobs.