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Describe the similarities and differences between time-series and interrupted time-series designs.
19th Century
The period from January 1, 1800, to December 31, 1899, characterized by significant social, industrial, and political changes worldwide.
Africa
The second-largest continent in the world, known for its vast cultural, linguistic, and ecological diversity, comprising over 50 countries.
Dred Scott Decision
An 1857 U.S. Supreme Court ruling that African Americans, whether enslaved or free, could not be American citizens and therefore had no standing to sue in federal court, further inflaming the pre-Civil War national debate over slavery.
Slavery
A system in which individuals are owned by others, deprived of personal freedom, and compelled to perform labor or services.
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