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.
The generally booming national economy made it easy to ignore the farmers' plight, but when the stock market crash of 1929 sparked the Great Depression, the Democratic administration elected in 1932 turned its attention to agriculture, passing the Agricultural Adjustment Act (AAA) during the frantic 100 Days..