Answer: The correct answer is : The Great Depression happened because the economy of the United States had weaknesses and imbalances that were hidden, otherwise many inconveniences would have been avoided worldwide, mainly in North America and Europe. All this was hidden under psychology and speculative euphoria. The political and financial institutions could not cope with the descending economy in 1930. If some action had been taken by the governments when the decline in the economy occurred, this great depression would have been avoided. Germany was very weak economically and had to pay war reparations. German unemployment increased markedly. The depression was stronger for countries that were heavily indebted to the United States, such as Germany and Great Britain. In Germany the drawbacks in the economy favored the rise of Adolf Hitler to power. As for Japan, it was under the dictatorship of Emperor Hirohito. These countries led to the Second World War.