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A natural border is a border between states or their subdivisions which is concomitant with natural formations such as rivers or mountain ranges. The "doctrine of natural boundaries" developed in Western culture in the 18th century being based upon the "natural" ideas of Jean-Jacques Rousseau and developing concepts of nationalism. [1]
A landscape border is a mixture of political and natural borders. One example is the defensive forest created by China's Song dynasty in the eleventh century. [6] Such a border is political in the sense that it is human-demarcated, usually through a treaty. However, a landscape border is not demarcated by fences and walls but instead landscape ...
The boundary between Asia and Europe is unusual among continental boundaries because of its largely mountain-and-river-based characteristics north and east of the Black Sea. Asia and Europe are considered separate continents for historical reasons; the division between the two goes back to the early Greek geographers .
See below. Only land boundaries are considered; maritime boundaries are excluded; see the List of countries and territories by maritime boundaries. Disputed territories are not considered, other than the inclusion by necessity, in a neutral fashion, of Western Sahara.)
Metes and bounds is a system or method of describing land, real property (in contrast to personal property) or real estate. [1] The system has been used in England for many centuries and is still used there in the definition of general boundaries.
The shape of a state is determined by the political boundaries and geography that determine its territory, and that shape impacts the politics and economies of the state. [1] The six categories of state shapes are: compact; elongated or attenuated; fragmented; prorupted or protruded; perforated; and compound or complex. [2] [3] [4]
Although contemporary political geography maintains many of its traditional concerns (see below) the multi-disciplinary expansion into related areas is part of a general process within human geography which involves the blurring of boundaries between formerly discrete areas of study, and through which the discipline as a whole is enriched.
Exclusive economic zone maritime boundaries in the Caribbean Sea and equatorial Atlantic Ocean EEZ maritime boundaries in the Pacific Ocean. The United States has land borders with Canada to the North, and Mexico to the South and a maritime boundary with Russia to the West, as well as maritime boundaries with several countries of the extensive exclusive economic zone (EEZ).