If you're talking about WW2, it's the battle of Stalingrad.
If it's about WW1, it would probably be Verdun.
The jewish ghettos were located in Poland. \\\
There are many different trains of thought that lead Americans to their own mindset about the aid of Middle Eastern independence.
Generally speaking, there are many people who believe that the United States should be the Police of the world or the hero of smaller countries and help them since they have the power to do so.
Others believe that the United States has no rights of interfering in foreign affairs and should mind their own business.
There are those who just don't agree with the idea of sending kids to die for other countries as well, no matter why.
In general, it was an increase in the service industry that led to a decline in labor union membership, since many of these workers don't need representation.