Answer:
Concerns over shortages led to the passage of the Lever Food and Fuel Control Act, which empowered the president to control the production, distribution, and price of all food products during the war effort. Using this law, Wilson created both a Fuel Administration and a Food Administration.
By feeding their soldiers, they ensure themself that the army had enought food supply to stay as healthy as possible to fight and thus win batlles, to win wars.
The cultural change that resulted from an eight hour workday was that leisure times was "invented" people suddenly had more time as they were able to work for only 8 hours, they could spend other time doing other things.
During the Age of Imperialism, South Africa's situation could be seen as "unique" because Natives and whites worked side-by-side in the colonial administration there.
Option: D
Explanation:
During the age of imperialism Europeans set new colonies in the Africa and white and black people worked side by side in the new colonial establishment. For fulfilling religious, political motives colonies were built up in new continent.
Besides all other negative effects one unique effect is that Europeans invaded into African society and live there side by side a create a new socio-cultural set up of African-American set up. Europeans disturbed African's natives farming practices.