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"Open Door" Policy
A foreign policy principle advocated by the United States in the late 19th and early 20th centuries, promoting equal privileges among countries trading with China and supporting Chinese territorial and administrative integrity.
Unincorporated Territory
A region not having the full legal status of a state or independent nation, often governed by another country but without the full rights of self-government.
Anthropology
Anthropology is the scientific study of humans, human behavior, and societies in the past and present, focusing on cultural, social, and biological aspects of human life.
Frederick Jackson Turner
A historian known for his "Frontier Thesis," which argued that the American character was shaped by the experience of expansion into the western frontier.
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