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All these many other discoveries have accelerated progress, and accelerated the development of mankind. They have had a positive impact on the lives of civilians in Europe and around the world.

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Medical advances ;
-prosthesis
-skin grafts
-vaccines (invention of penicillin)
-evolution of blood transfusion
-improvement of ambulances
And much more.

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3.Important technological and medical achievements of World War I;
Military;
-tank
-machine gun
-cannonball gun
-submarine
-submarine
-hydroplane
And much more.
Another advance in communications was radio transmitters

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Like men, many women began to smoke in public places. Finally, women's fashion underwent a real revolution. Practical short hairstyles were established. Clothes became looser. Skirts became shorter. This is when the foundations of modern women's fashion were laid.

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After the war, many countries gave women the right to vote.

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The change in the social status of hundreds of thousands of women on both sides of the Atlantic made their equalization with men inevitable.

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In many countries women have practically replaced men in public transportation, in banks, and in commerce.

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2.Changes in the Status of Women
The mobilization of men created a labor shortage that was covered by recruiting women.

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Society has developed irrationalism - disbelief in the possibilities of human reason.

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Gone is the belief that the future will be better than the present. People are now used to living with the idea that it could be worse. Optimism has been replaced by pessimism. A characteristic feature of public consciousness became a sense of decline, the decline of European civilization.

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An important consequence of the war was the acceleration of the decline of the aristocracy.

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Consequently, the war caused the subsequent fertility decline and demographic problems.

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1.The war cost an enormous loss of life. The greatest losses in absolute numbers were suffered by France (1.9 million), as well as Germany and Russia, 1.7 million each.

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The League of Nations was a failure because it did not fulfill its stated goals.

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The League of Nations was terminated as a result of its inability to prevent World War II. On April 8, 1946.

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3. The League of Nations (forerunner of the United Nations), established in 1919 under the Treaty of Versailles "to promote cooperation among nations and to ensure peace and security.

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After the war ended, Stalin established a harsh communist regime.

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Russia, too, was taken over by the Bolsheviks through the collapse of the economy, but that was before the end of the war.

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The Italian parliament could not curb the discontent of the population and entrusted power to Mussolini.

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Hitler led the German Reich to regain his rightful position in Europe.

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For Germany and Italy, the provisions of the Treaty of Versailles after World War I were disadvantageous.

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2.Totalitarian regimes are regimes completely opposed to democracy, most often with a one-party system and a dictator at the head. The main reason for the creation of this system was World War I, or rather its end.

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1.The result of more than four years of war was the collapse of the four empires - the Russian, Austro-Hungarian, Ottoman and German empires. A number of new states -Poland, Lithuania, Latvia, Estonia, Finland Albania- appeared. Austria-Hungary disintegrated into Austria, Hungary and Czechoslovakia.

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3.The USA during World War I became a highly developed industrial power, the most powerful country in the world economy, whose national wealth increased by 40%, where 1/2 of the gold reserve was concentrated, the value of industrial production grew from 23.9 to 62 billion dollars.
The concentration of industry and the banking system has accelerated.
Their status as a neutral country gave them the ability to supply war materials, food, and raw materials to countries that were at war. Foreign trade volumes doubled, the value of exports tripled.
The international financial status of the U.S. has changed. The country eliminated almost half of its debt, becoming a creditor of many nations.
The U.S., whose population was 6% of the world's, produced more than half of the world's industrial output.

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2.The cause of hyperinflation in 1923 was the greed of the conquering countries, which saddled Germany with huge reparations.
The consequences are a depreciation of money, a constant rise in prices of everything, a decrease in purchasing power, a decrease in the volume of production. Decline in the standard of living in the country and rampant inflation.

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1.The enormous scale and protracted nature of World War I led to a militarization of the economy unprecedented for industrial states, which influenced the course of their subsequent economic development. State regulation of the economy was strengthened, military-industrial complexes were formed, the share of defense and dual-use products increased, the development of energy systems, paved roads and other national infrastructures was accelerated.