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Originally a public domain film, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
In the context of the history of the 20th century, the interwar period was the period between the end of the First World War in November 1918 and the beginning of the Second World War in September 1939. This period is also colloquially referred to as Between the Wars.
Despite the relatively short period of time, this period represented an era of significant changes worldwide. Petroleum-based energy production and associated mechanisation expanded dramatically leading to the Roaring Twenties, a period of economic prosperity and growth for the middle class in North America, Europe and many other parts of the world. Automobiles, electric lighting, radio broadcasts and more became commonplace among populations in the developed world. The indulgences of this era subsequently were followed by the Great Depression, an unprecedented worldwide economic downturn which severely damaged many of the world’s largest economies.
Politically, this era coincided with the rise of communism, starting in Russia with the October Revolution and Russian Civil War, at the end of World War I, and ended with the rise of fascism, particularly in Germany and in Italy. China was in the midst of long period of instability and civil war between the Kuomintang and the Communist Party of China. The empires of Britain, France and others faced challenges as imperialism was increasingly viewed negatively in Europe, and independence movements in British India, French Indochina, Ireland and other regions gained momentum.
The Ottoman, Austro-Hungarian and German empires were dismantled, while the Ottoman and German colonies were redistributed among the Allies, chiefly the United Kingdom and France. The western parts of the Russian Empire, Estonia, Finland, Latvia, Lithuania and Poland became independent nations in their own right, while Bessarabia (modern-day Moldova) chose to reunify with Romania.
The Russian communists managed to regain control of the other East Slavic states, Central Asia, and the Caucasus, forming the Soviet Union. Ireland was partitioned between the independent Irish Free State and the British-controlled Northern Ireland. In the Middle East, Egypt and Iraq gained independence. During the Great Depression, Latin American countries nationalised many foreign companies (mostly American) in a bid to strengthen their own economies. The territorial ambitions of the Soviets, Japan, Italy, and Germany led to the expansion of their empires, setting the stage for the subsequent World War.
The interwar period is commonly accepted to have ended in September 1939, with the invasion of Poland and the beginning of World War II. However, in Asia, it is also considered to have ended with the Marco Polo Bridge Incident and the beginning of the Second Sino-Japanese War…