-What Do Changes in the Average Height of Americans Serving

-What do changes in the average height of Americans serving in the military reveal about the general health of the nation during the era of the market revolution?

A) The general health of the nation declined due to a series of droughts that hurt American agricultural production.
B) Mass production of processed foods led to the consumption of food substances that were not healthy for the American public.
C) The higher standard of living that resulted for all Americans led to purchases of unhealthy sugar-filled foods that stunted growth.
D) Declines in nutrition levels showed that not all Americans were benefitting equally from a market revolution.