Light Towers. WPPâs reliable, used light towers are the perfect choice for illuminating construction sites, outdoor events or industrial applications at a lower cost than new models.
The causes of the Great Depression are a matter of active debate among economists, and are part of the larger debate about economic crises, although the popular belief is that the Great Depression was caused by the crash of the stock market.
Great Depression in the United States. The Great Depression of the 1930s started with the stock market crash of October 1929. The Great Depression began in August 1929, when the United States economy first went into an economic recession.