What did women do to help during the world war 2 and why does it matter?

During WWII women worked in factories producing munitions, building ships, aeroplanes, in the auxiliary services as air-raid wardens, fire officers and evacuation officers, as drivers of fire engines, trains and trams, as conductors and as nurses.

Explanation:

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.