| A | B |
| buying on margin | purchasing stock with credit, hoping to sell at a high enough price to pay the loan and make a profit |
| Black Tuesday | October 29, 1929, one of the largest U.S. stock market drops |
| business cycle | the rhythm in which an economy expands and contracts its production |
| Great Depression | a severe economic crisis that lasted for the entire decade of the 1930s |
| New Deal | Franklin Roosevelt's legislative plan to end the Great Depression that included dramatic reforms of government agencies and powers |
| fireside chats | radio programs in which FDR explained his plan for recovery from the Great Depression |
| Tenessee Valley Authority | a governmental agency designed to bring jobs and electricity to rural areas of the Tenessee River Valley |
| Social Security Act | a law that instituted the pension plan Social Security |
| sit-down strike | a strike in which workers stay at their work stations so that strikebreakers cannot replace them |
| Dust Bowl | an area of the US that suffered a severe drought during the 1930s |