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What is the driving force for blood flow through the systemic circuit?
Dred Scott
A landmark U.S. Supreme Court case in 1857 which ruled that African Americans, whether enslaved or free, could not be American citizens and therefore had no standing to sue in federal court.
Nineteenth Century
The period from January 1, 1801, to December 31, 1900, marking the 19th century of the Anno Domini era or Common Era, characterized by significant industrial, cultural, and social changes globally.
Territory Acquisition
The process by which a country or state expands its land and jurisdiction through purchase, negotiation, conquest, or discovery, significantly impacting its political and geographical landscape.
Ethnic Diversity
The presence of a wide range of distinct ethnic, cultural, and national groups within a given society or area.
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