What is a group of people known as the working class?

For example, the working class is loosely defined as those without college degrees. Working-class occupations are then categorized into four groups: unskilled labourers, artisans, outworkers, and factory workers. A common alternative, sometimes used in sociology, is to define class by income levels.

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explanation:

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.