How, according to john mitchell’s “the workingman’s conception of industrial liberty” from 1910, did courts claim to protect the liberties of workmen?

The courts claimed to protect the liberties of workmen wherein during the Progressive Era, the court enforced the contrasting of John Mitchell about the workers understanding of “industrial liberty” with prevailing laissez-faire definitions of freedom from the Gilded Age. John Mitchell denounced the current idea of liberty of contract during that time, in favor of a broader definition of economic freedom

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answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.