I would use two sources of data for income and two for literacy. For average income I would consult the censuses if they were available at that time. In particular I would check the differences between the years 1800 and 1850. Also I would check employment records for the same trades/professions for the two years. For literacy, I would check the school records to see if there was an increase in youth completing high school and also check the university records to see how many graduates there were in the two years.
Answer:
During the Great Depression years, the Wagner act was passed which prevented employers from interfering with workers' unions and protests in the private sectors.
Answer:
King Leopold II created a colony in the Congo River region of Central Africa during a wave of widespread European colonization in the 1880s. The desire for valuable goods like rubber and ivory combined with limited laws and regulations in the Congo Free State led to the abuse of native laborers and countless deaths.
Explanation:
<span>"the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave"</span>
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