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Use Cramer's rule to find the solution for the system.
Antietam
The site of a decisive battle during the American Civil War in September 1862, known as the bloodiest single-day battle in American history.
Emancipation
The act of freeing individuals from slavery or servitude.
White Northerners
Individuals from the northern United States, typically associated with specific historical, cultural, or political contexts.
Civil War
A major conflict within a country or between factions within a country, often characterized by a struggle for power, territory, or ideological change.
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