He was an American trumpeter who was one of the most influential jazz figures
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The researchers believe the late 19th and early 20th century immigrants stimulated growth because they were complementary to the needs of local economies at that time. Low-skilled newcomers were supplied labor for industrialization, and higher-skilled arrivals helped spur innovations in agriculture and manufacturing
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Speeches, petitions and parades. For the second one btw
One of the reasons of the failure is because it had failed to prevent the Second World War to occur. The purpose of the treaty itself was to stop another big war to exist again on this earth, yet it had unsuccessfully done so. The war still happened and the destruction of it was even larger and more serious than in WWI and other war in history of humankind due to the fact that the technology is increasing, and thus the weapons using are more powerful than ever, for instance, aircrafts, tanks, machine guns, and especially the use of nuclear bombs in Japan to end the war. Consequently, it resulted in dead of 75 million people including 20 million soldiers and 40 million civilians.
Furthermore, the cause of failure of the treaty was because it was lack of the enforcement mechanism and lack of willingness of the allied powers. Many terms stipulated in the treaty were not implemented. For example, the 14 points of President Woodrow Wilson including “1) no more secret treaties, 2) countries must seek to reduce their weapons and their armed forces, 3) national self-determination should allow people of the same nationality to govern themselves and one nationality should not have the power to govern another , 4) all countries should belong to the League of Nations,” and an intention of France in dividing Germany into smaller states did not occur, and thus it just caused the treaty to become weak; as a result, Germany could take the advantages of it.
