Zoning is a tool that most cities use to govern âusesâ (e.g. residential, commercial, or industrial), the size of buildings, and how buildings relate to their surroundings, including other buildings, open spaces, and the street.n the U.S., zoning began as a tool to separate uses from one another, and in particular was used to separate more impactful uses (manufacturing) from more sensitive uses (residential). This type of zoning is largely known as Euclidean Zoning, named after the U.S. Supreme Court Case that legitimized the use of the tool.
covert operation. n an intelligence operation so planned as to permit plausible denial by the sponsor. Types: black operation.
The history of Covert Operations goes back far beyond the Cold War, with many operations during the two World wars and even long before then. Despite this long history the hay day of covert operations was during the Cold War where two opposing power blocks faced each other but were unwilling to risk an actual war. It was from this period that the lessons for future covert operations should be drawn.