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  2. Border - Wikipedia

    en.wikipedia.org/wiki/Border

    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 ...

  3. Boundaries in landscape history - Wikipedia

    en.wikipedia.org/.../Boundaries_in_landscape_history

    The coincidence of another landscape feature with a parish boundary can be used to date that feature—for example in the Time Team episode screened on 11 March 2007, a mill leat was determined to pre-date the Norman conquest because it coincided with a parish boundary.

  4. Natural border - Wikipedia

    en.wikipedia.org/wiki/Natural_border

    Expanding until natural borders are reached, and maintaining those borders once conquered, have been a major policy goal for a number of states. For example, the Roman Republic, and later, the Roman Empire expanded continuously until it reached certain natural borders: first the Alps, later the Rhine river, the Danube river and the Sahara desert

  5. Natural barrier - Wikipedia

    en.wikipedia.org/wiki/Natural_barrier

    Natural barriers have been important factors in human history, by obstructing migration and invasion. For example, Jared Diamond argues that West European nations have been the dominant powers of the last 500 years because Europe's many natural barriers divided it into competing nation-states and this competition forced the European nations to ...

  6. Boundaries between the continents - Wikipedia

    en.wikipedia.org/wiki/Boundaries_between_the...

    The border between North America and South America is at some point on the Darién Mountains watershed that divides along the Colombia–Panama border where the isthmus meets the South American continent (see Darién Gap). Virtually all atlases list Panama as a state falling entirely within North America and/or Central America. [116] [117]

  7. Territorial evolution of the United States - Wikipedia

    en.wikipedia.org/wiki/Territorial_evolution_of...

    [389] [390] The only change to a land border redefined how the border between the Lake of the Woods and the Rocky Mountains should be considered; previously, the border followed the curve of the parallel between each border monument, while the treaty changed this to straight lines between each monument. Through this, the United States netted a ...

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    mail.aol.com

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  9. List of political and geographic borders - Wikipedia

    en.wikipedia.org/wiki/List_of_political_and...

    Below are separate lists of countries and dependencies with their land boundaries, and lists of which countries and dependencies border oceans and major seas. The first short section describes the borders or edges of continents and oceans/major seas. Disputed areas are not considered.