The enemy was a disease that had spread throughout the camps killing over 11,000 soldiers.
Answer:
I think it´s the ten-hour clock
Explanation:
The answer is around 30 BCE
Europe and Asia are the newest human civilizations
It was "C. 1932" that saw that highest world unemployment rate during the Great Depression, since this was when the true effects of the Great Crash of 1929 came into full effect.