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In the context of the history of the twentieth century, the interwar period〔Williamson R. Murray, Allan R. Millett. "Military Innovation in the Interwar Period"〕〔 Benjamin D. Rhodes. "United States Foreign Policy in the Interwar Period, 1918–1941: The Golden Age of American Diplomatic and Military Complacency"〕〔Peter M. R. Stirk. "European unity in context: the interwar period"〕 or interbellum (Latin: ''inter-'', "between" + ''bellum'', "war") was the period between the end of World War I and the beginning of World War II—the period beginning with the Armistice with Germany that concluded World War I in 1918 and the following Paris Peace Conference in 1919, and ending in 1939 with the invasion of Poland and the start of World War II. ==Description== (詳細はhistory was marked by turmoil as Europe struggled to recover from the devastation of the First World War and destabilizing effects of the loss of a number of monarchies, including those of the German, Austro-Hungarian, Russian and Ottoman empires. Later a period of considerable prosperity (the Roaring Twenties) followed, but this changed dramatically with the onset of the Great Depression in 1929. It was during this time that the Weimar Republic in Germany gave way to two episodes of political and economic turmoil, the first culminated in the German hyperinflation of 1923 and the failed Beer Hall Putsch of that same year. The second convulsion, brought on by the worldwide depression, resulted in the rise of Nazism. In Asia, Japan became an ever more assertive power, especially with regard to China. One main institution intended to bring stability was the League of Nations, created after the First World War with the intention of maintaining world security and peace and encouraging economic growth between member countries. The League was undermined from the start by the non-participation of the United States and the Soviet Union, and subsequently by the bellicosity of Mussolini's Italy, Nazi Germany, and Imperial Japan – leading many to question its legitimacy and effectiveness. A series of international crises strained the League to its limits, the earliest being the invasion of Manchuria by Japan and the Abyssinian Crisis of 1934-36, in which Italy invaded Ethiopia (Abyssinia), one of the last few independent African nations at that time. The League tried to enforce economic sanctions upon Italy, but to no avail. The incident highlighted French and British weakness, exemplified by their reluctance to alienate Italy and lose her as their ally. The limited actions taken by the Western powers pushed Mussolini's Italy towards alliance with Hitler's Germany anyway. The Abyssinian war showed Hitler how weak the League was and encouraged his participation in the Spanish Civil War. He also re-militarized the Rhineland in defiance of the Treaty of Versailles. This was the first in a series of provocative acts culminating in the invasion of Poland in September 1939 and the beginning of the Second World War. There were also other comparably smaller conflicts that major European nations were involved in, such as the Rif War. ImageSize = width:800 height:200 PlotArea = width:640 height:140 left:65 bottom:20 AlignBars = late Colors = id:time value:rgb(0.7,0.7,1) # id:period value:rgb(1,0.7,0.5) # id:age value:rgb(0.95,0.85,0.5) # id:era value:rgb(1,0.85,0.5) # id:eon value:rgb(1,0.85,0.7) # id:filler value:gray(0.8) # background bar id:black value:black Period = from:1900 till:1950 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:10 start:1900 ScaleMinor = unit:year increment:1 start:1900 PlotData = align:center textcolor:black fontsize:10 mark:(line,white) width:11 shift:(0,-5) bar:Decades color:era from:1920 till:1929 text:Twenties from:1929 till:1939 text:Depression bar:Machine color:era from:1900 till:1945 text:Machine Age bar:World.Wars color:era from:1914 till:1918 text:WWI from:1918 till:1939 text:Interwar period from:1939 till:1946 text:WWII 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「interwar period」の詳細全文を読む スポンサード リンク
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