Examlex
Calculate the percentage by mass of nitrogen in PtCl2(NH3) 2.
Exclusionist Culture
A societal model that systematically denies certain groups access to rights, resources, and opportunities.
Free Blacks
African Americans who were not enslaved and lived freely during the periods of slavery in the United States, some of whom owned property and even slaves.
Antebellum Period
The time period in the United States before the Civil War, noted for its growing divisions over slavery.
Population
The total number of people inhabiting a particular area or country.
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