Mexico’s constitution of 1917 the working class by
forcing businesses to pay a living wage.
improving education in rural areas.
protecting the right to strike.
restricting employment of foreigners.

Mexico’s Constitution of 1917 helped the working class by  protecting the right to strike.

Explanation:

The Mexican National Constitution of 1917 elevated to the constitutional rank the rights of the workers, establishing and regulating the right to strike, the eight-hour labor day, the fixing of a minimum wage, distribution of profits, security measures, dismissal for justified reasons, protection of mothers, abolition of debt peonage, mechanisms of arbitration to resolve conflicts between labor and capital and other stipulations, which made Article 123 the most advanced constitutional article of the time.

the term is einsatzgruppen

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