Examlex
A small group of hermaphroditic crustaceans that is unique in discharging both eggs and sperm through a common duct is the
Slaves
People who are legally owned by others and forced to work for them without any personal freedom or rights.
Disease Spread
The transmission of illnesses through populations via various vectors, including person-to-person contact, animals, or the environment.
Adams-Onís Treaty
An 1819 agreement between the United States and Spain that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.
Louisiana Purchase
The Louisiana Purchase was a land deal between the United States and France in 1803, wherein the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River.
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