Answer: <em>a boundary between language regions</em>
Explanation:
An isogloss is also referred to as the hetero-gloss. It is described as the geographic barrier i.e. boundary of particular linguistic characteristic, for example the pronunciation or the spelling of vowel, connotation of a word, the implication of a morphological/linguistic or grammatical characteristics.
<span>Essentialism explains "Social" phenomena in terms of "Natural" ones.
</span><span>In social and political deliberations, the evaluate of essentialism emerged from post-modernist theory, as indicated by which the essentialist see on gender, sexuality, race, ethnicity, or other gathering attributes is that they are fixed characteristics, marking down variety among individuals as secondary.
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Plessy argued that Louisiana's segregation law violated the 13th Amendment and the 14th Amendment's Clause.
In 1892, Louisiana passed a law requiring railroad companies to accommodate black and white passengers "equally but separately." This law was challenged by Homer Plessy, a black man, arguing that it violated the Thirteenth and Fourteenth Amendments to the United States Constitution.
The Thirteenth Amendment prohibits slavery and involuntary servitude, while the Fourteenth Amendment guarantees all citizens equal protection from the law. Plessy argued that the requirement for "equal but separate" housing was inherently discriminatory and went against these changes.
The Supreme Court agreed with Plessy and rules that the mentioned law did violate the constitution.
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Although African Americans were asked to fight in World War II, they faced discrimination in the military just as they faced it at home. They had to serve in separate units and were often given strictly "work" duties as opposed to combat duties.