Cnidaria is a phylum within Kingdom Animalia which consists of hydras, jellies (or jellyfish), sea anemones, and corals. All cnidarians are radially symmetrical, and there are two main radially symmetrical body types.
The stock market crash, on black Tuesday (October 29, 1929) began the Great Depression.
Inevitably, these measures would lead the causes of the Great Depression. Although the causes are greatly debated, certain causes are most notable. Causes such as false prosperity, the stock market crash, the banking crisis, unemployment and trade collapse are significant in understanding such a historical event. false prosperity. False Prosperity prior to the Great Depression referred to a false sense of the economy thriving.