generate money through normal economic activity
91social security — 1. (usually caps.) a program of old age, unemployment, health, disability, and survivors insurance maintained by the U.S. federal government through compulsory payments by specific employer and employee groups. 2. the theory or practice of… …
92Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
93Creativity — For other uses of Creativity , see Creativity (disambiguation). Human intelligence Abilities and Traits Abstract thought Communication  …
94postal system — System that allows persons to send letters, parcels, or packages to addressees in the same country or abroad. Postal systems are usually government run and paid for by a combination of user charges and government subsidies. There are early… …
95New Deal — This article is about the 1930s economic programs of the United States. For other uses, see New Deal (disambiguation). Top left: The Tennessee Valley Authority, part of the New Deal, being signed into law in 1933. Top right: Franklin Delano… …
96Bank — For other uses, see Bank (disambiguation). Banker and Bankers redirect here. For other uses, see Banker (disambiguation). Banking …
97railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
98petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
99Illegal immigration to the United States — refers to the act of foreign nationals voluntarily resettling in the United States in violation of U.S. immigration and nationality law. Residing in the United States in violation of immigration law is not a crime but a civil infraction. [ Being… …
100motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …
