The Great Depression in the 30's (US)
Yes, during the Civil War many people were unemployed or lost their businesses. The cost and devastation of this war affected a great many people.
Roughly 93,700 people are unemployed within the city of Pittsburgh.
In the world, there were 205 million people unemployed in 2010. (bybusiness.net)
By automating so many jobs that the people who are left unemployed can no longer afford pay for that businesses goods/services.
68,410 people
answer answer
0.2
ALOT
612,800 people or 5.4%
MANY.
10%.
Too Many