File:Mahan Problem of Asia 1900.png

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Description
English: This map depicts the world as divided by geostrategist Alfred Thayer Mahan in his 1900 piece The Problem of Asia.

Asia is divided along the 30 north and 40 north parallels, represented here by green lines.

Colored in red are the two allied land powers, the Russian Empire and France. In lighter red are the portions of Asia above the 40th parallel under effective influence of Russian land power.

Colored in blue are the four allied sea powers, Great Britain, the German Empire, Japan, and the United States. In lighter blue are the portions of Asia below the 30th parallel subject to effective control by sea power.

In between the 30th and 40th parallel is what Mahan termed the "Debatable and debated ground," subject to competition between the land powers and sea powers.

Circled in green are key isthmuses identified by Mahan: the Suez Canal, Panama Canal, Turkish Straits, Strait of Gibraltar, and Danish Straits.

Source

Created by myself, user:Perceval, using the :Image:BlankMap-World-WWI.PNG.
Date 22 December 2006 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author Perceval at English Wikipedia

Licensing

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Public domain This work has been released into the public domain by its author, Perceval at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Perceval grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log

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The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2006-12-22 04:06 1357×353× (27252 bytes) Perceval This map depicts the world as divided by [[geostrategy|geostrategist]] [[Alfred Thayer Mahan]] in his 1900 piece ''[[The Problem of Asia]]''. [[Asia]] is divided along the 30 north and 40 north [[latitude|parallels]], represented here by green lines. Co

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Date/TimeThumbnailDimensionsUserComment
current19:14, 15 March 2022Thumbnail for version as of 19:14, 15 March 20221,357 × 353 (33 KB)Randomastwritter (talk | contribs)added dervish state
21:09, 5 September 2015Thumbnail for version as of 21:09, 5 September 20151,357 × 353 (27 KB)Matanya (talk | contribs)Transferred from en.wikipedia

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