Examlex
Hydrogen lines are weak in M class stars because they have much less of it than do A class stars.
State
A political entity with a defined territory, government, and the capacity to enter into relations with other states.
Northwest Territory
Territory established by the Northwest Ordinance of 1787, covering what would become the states of Ohio, Indiana, Illinois, Michigan, Wisconsin, and part of Minnesota.
Slavery
Slavery is a system in which individuals are owned by others, deprived of personal freedom, and forced to perform labor or services.
Plantation Farming
An agricultural production system characterized by large-scale monoculture farming, often historically reliant on slave or cheap labor.
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