The Second World War was a devastating international conflict that began in Europe on 1 September 1939 and ended on 2 September 1945. The most powerful countries participated in the vast majority of attack other countries, the larger countries, used all major military and economic capabilities in the service of the war effort. World War II was the costliest war in human history due to the expansion of war zones and numerous battle sites and fronts. Over 100 million soldiers caused the death of between 60 and 80 million people, civilians and soldiers, or 2.5% of the world population at the time. The war finally ended in Europe after the Soviet Union took control of Berlin and the unconditional surrender of the Germans on May 8, 1945. The Potsdam conference was subsequently held near Berlin, which was released through the Potsdam Declaration on the 26th June 1945. There were two fundamental causes of the Second World War, there was only one main effect. The deterioration of the economy was the cause of the outbreak of the Second World War, the defeat of the Germans was not due to the deterioration of the economy (Gordon). Lack of labor in Germany had a negative impact on agriculture, Germany planned to eliminate the indigenous people of Poland and Ukraine because they were the best in the field of agriculture, burning lands or killing citizens, Germany failed because the solution is not to increase the number of lands but by increasing the employment rate and encouraging migration from rural to urban areas. Due to Hitler's tactical and strategic mistakes, the most important thing was the invasion of the Soviet Union (Gordon). All countries have tried to revive their economy, ignoring what could cause harm to other countries. Many weapons were used in the W...... middle of paper ...... world and in the present day, led to the proliferation of fetal malformations, soil contamination and the spread of blood whiteness disease. In 1923 France occupied the Ruhr region of Germany, Belgium provided assistance in securing the transportation of coal under the Compensation Convention, this region contains 80% of Germany's mines and was also a center of German industry. This occupation led to numerous disastrous results, it triggered a negative reaction in Germany, where Hitler attempted to organize a coup in Munich but failed and was put in prison, Germany incited the population of the Ruhr to resist the French occupation and the conference was held in London in 1924 they discussed the German reparations programme. Works Cited "Causes and Effects of World War II." StudyMode.com. StudyMode.com, 05 2001. Web.Gordon, Robert J. Economics Caused World War II. December 2008, web.