How did factory workers impact WWII?how did factory workers impact wwII

Factory workers as a group had a major impact on WWII
because WWII was a total war, a war in which all parts of a society had to be mobilized
to contribute to the war effort.

WWII was won by the side
that could produce the most war materiel.  It was won by making more tanks and more
airplanes and more bullets and more uniforms.  The Allies won largely because they had
the United States on their side.  The US had a huge industrial capacity and one that
could not be bombed by the enemy.  This was extremely important in winning the war
because, as the link below tells us,

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Victory in World War II depended, more than
anything else, on supplying armies with huge quantities of industrial
products.

So, factory workers
impacted the war by producing the materials that allowed the soldiers to fight. 
Whichever side did this better would, and did, win.  Once again to quote the
link,

The
people who built these products ... were as important to the war effort as the soldiers
in the armies.