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ethnicity
A term for the ethnic group to which people belong. Usually it refers to group identity based on culture, religion, traditions, and customs. In some contexts, it is a “politically correct” term ...

Luis Valdez
(1940– )American playwright, director, actor, and filmmaker. Born in California to Mexican farmworker parents, Valdez wrote his first play, The Shrunken Head of Pancho Villa, in 1964 while an ...

migration
1 The movement of people or animals, including immigration, emigration, net migration, internal migration, and international migration.2 The stage in vegetation succession at which the first plant ...

Yemen
Despite recent discoveries of oil, Yemen remains poor—and could become a failed stateYemen has three main regions. It has narrow desert coastal plains along both the Red Sea and the Gulf of Aden. ...
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