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Sphere of influence
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A sphere of influence (SOI) is an area or region over which an organization or state exercises cultural, economic, military or political domination. A country within the "sphere of influence" of another more powerful country may become a subsidiary of that state and serve in effect as a satellite state or de facto colony. The system of spheres of influence by which powerful nations intervene in the affairs of others continues to the present day.
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Encyclopedia
A sphere of influence (SOI) is an area or region over which an organization or state exercises cultural, economic, military or political domination. A country within the "sphere of influence" of another more powerful country may become a subsidiary of that state and serve in effect as a satellite state or de facto colony. The system of spheres of influence by which powerful nations intervene in the affairs of others continues to the present day. It is often analyzed in terms of superpowers, great powers, and/or middle powers.
The term is also used to describe non-political situations, e.g. a shopping mall is said to have a sphere of influence which designates the geographical area where it dominates the retail trade.
Empire of Japan
For example, during the height of its existence, the Japanese Empire had quite a large sphere of influence, the Japanese government influencing, or directly governing events in Korea, Manchuria, Vietnam, Taiwan, and parts of China. The "Greater East Asia Co-Prosperity Sphere" could thus be quite easily drawn on a map of the Pacific Ocean as a large "bubble" surrounding the islands of Japan and the Asian and Pacific nations it controlled.
Cold War
During the Cold War, Eastern Europe, North Korea, Cuba, Vietnam, and, to a lesser extent (until the Sino-Soviet split) the People's Republic of China were said to lie under the sphere of influence of the Soviet Union. While, to a much lesser degree Western Europe, Japan, and South Korea were often said to lie under the sphere of influence of the United States. For instance France and Great Britain were able to act independently to invade (with Israel) the Suez Canal, and France was able to withdraw from the military arm of NATO; such behavior would not have been tolerated under a true sphere of influence. Much in the same way, however, Cubans often took positions that put then at odds with their Soviet allies (for instance, momentary alliances with the Chinese, support to freedom fights in Africa and America without previous approval from the Soviet Union or economical reorganization within the country oriented to self-sufficiency), a behaviour not akin to a true sphere of influence either.
Sometimes portions of a single country can fall into two distinct spheres of influence. In the colonial era the buffer states of Iran and Thailand, lying between the empires of Britain/Russia and Britain/France respectively, were divided between the spheres of influence of the imperial powers. Likewise, after World War II, Germany was divided into four occupation zones, which later consolidated into West Germany and East Germany, the former a member of NATO and the latter a member of the Warsaw Pact.
Australia
Australian economic interests in neighboring island nations are reflected by rapid response to cases of military actions (including the Indonesian invasion of East Timor and subsequent changes in its political status), natural disasters (the 2004 Indian Ocean earthquake), political upheavals (with less success, the 2006 Fijian coup d'état), and conditional economic assistance. A predominantly Australian sphere of influence has been described for Papua New Guinea, the Solomon Islands, Fiji, and East Timor. New Zealand works closely with Australia in foreign policy and trade and has been described as a "junior partner" within this sphere of influence. While Australia has some influence in Malaysia and Indonesia, it is limited by the desire of these nations to avoid being drawn into the sphere of influence of any single great power, their involvement with China and the United States, and their own ambitions within ASEAN.
California
In California "sphere of influence" has a legal meaning as a plan for the probable physical boundaries and service area of a local agency. Spheres of influence at California local agencies are regulated by Local Agency Formation Commissions (LAFCO). Each county in California has a LAFCO.
Corporations
When talking in corporate terms, the sphere of influence of a business, organization or group can show its power and influence in the decisions of other business/organization/groups. It can be found using many factors, such as the size, the frequency of visits, etc. In most cases, a company described as bigger has a larger sphere of influence.
For example, the software company Microsoft has a large sphere of influence in the market of operating systems; any entity wishing for its software product to be successful must ensure that it is compatible with Microsoft's products.
For another example, for companies wishing to make more profit, they must ensure they open their stores in the correct location. This is also true for shopping centers, who, to reap most profit, must be able to attract customers to its vicinity.
There is no defined scale on how to measure the sphere of influence. However, the spheres of influence of two shopping centers, two business can. This can be done by measuring how far people are prepared to travel to the shopping center, how much time they spend in its vicinity, how often they visit, the order of goods available, etc.
External links
- - Calculates the spheres of influence for American cities based on voting
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