Write an essay on the 20th century in terms of wars,inventio

Write an essay on the 20th century in terms of wars,inventions,political tension,actions and specific events.

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Science and technology in the automotive and other industries began to use the assembly line.This large-scale production to lower commodity prices,produce more.Car has become an important means of transport.The invention of the spacecraft to make the world smaller.Aerospace device is to lead people to move to the universe,the exploration of the universe we know more about the world beyond Earth.Radio,television and film the popularity of mass media for the enormous impact of human,they entertain the public,the same can spread the political message.Pesticides,chemical fertilizers,the invention greatly increased agricultural output,but also bring new environmental pollution.In the field of fundamental physics major discoveries,such as relativity and quantum physics to humanity nuclear weapons,nuclear power and the invention of laser.Cosmology made tremendous progress,"Big Bang" theory was founded,began to study the human origin of the universe.Washing machines,air conditioners,refrigerators,television sets,electric inventions greatly improved people's quality of life.90 of the Internet,more substantial impact of human life.
In the political and military,Germany,France,Britain,the United States,Russia,etc.almost all of the Western industrialized countries involved in the First World War.One of the causes of this war is rising nationalist sentiment in Europe.War also created many new countries in Eastern Europe.World War I brought economic and political factors that led to the rise of fascism in Europe and the subsequent Second World War.Almost all countries in the world have been involved in this major catastrophe.World War II civilian casualties,air raids,the Holocaust,the atomic bomb and so causing large numbers of civilian casualties.Unprecedented German genocide against Jews allegedly caused the death of six million Jews,the Japanese militarism aggression against Asian countries,causing some 2,000 people dead,but Japan has been unwilling to face the trauma caused by his country.Corrupt Czarist Russian domestic political discontent led to the rise of socialism in Russia.After World War II,the Soviet Union as a political socialist state,military power.Communist thought has also spread to other parts of the world:China,Eastern Europe,Cuba and South Peninsula have become a socialist country.This is also the main reason for starting the Cold War.90 early 20th century the collapse of the communist camp,the United States as the only remaining superpower.Cold War also led to the Soviet Union,Yugoslavia and the disintegration of Czechoslovakia and other socialist countries.After World War II,the framework of the United Nations,international cooperation increased.The establishment of the European Union use the euro marks the acceleration of European integration.The end of colonialism in Africa and Asia,many new independent countries.These countries are often in the Cold War alliance with the United States or the Soviet Union,in order to survive.Jewish ancestral land finally set up their own state of Israel.However,they conflict with the Arabs has not been solved,and a growing trend.All forms of terrorism,extremism,the rise in the late 20th century,the World Trade Center after the impact,the more this series of problems caused by people's attention.
就这样了.