The tracing of ancestry and kinship through the male line to a male forebear on the father's side.  Female offspring are valued insofar as they help the patriline, mainly through marriage.  In [..]

see Mercenary.

  the physical, political, economic, or cultural expansion of one or more national groups at the expense of others, and especially the process by which  European nations came to dominate -- and in man [..]

Within a society or smaller group, a series of persons, graded or ranked in order of authority.

  In ancient Greece, a place where athletes exercised in the nude.  Every important city had a gymnasium.  By the Hellenistic era, the gymnasium usually included exercise apparatus and equipment, bath [..]

In early modern Europe, a small, rapid and highly efficient vessel designed for inexpensive, utilitarian hauling, a Dutch innovation.

White-collar clerical or professional employees, who do not perform manual labor (as do blue-collar workers).

General term for the collection of laws, programs, and guarantees, securing individuals’ rights to a basic level of economic security, such as pensions, unemployment benefits, sick pay, and so on. The [..]

In biology and ecology, low-lying lands, such as marshes or the Florida everglades system, permanently or usually saturated with water and constituting in this manner a specific type of natural enviro [..]

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