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.
What factors caused the Great Depression to spread around the world? Check all that apply. Americans stopped buying from overseas nations. Large numbers of jobless Americans moved overseas. Many countries raised tariffs on imported goods. Stock markets started to crash in many other nations.