The Great Depression was caused, in part, by the federal government's monetary policies, stock market speculation and increasing consumer debt. ... This led to stock market speculation and use of credit. The Federal Reserve attempted to control these practices by constricting (limiting) the money supply.
The two systems, installment buying and buying on credit, left millions of people in debt . When many lost their jobs, they could not pay back the debts they had incurred. Supply and demand helped bring about and also lengthen the Great Depression.
The fall of Ancient Rome started from about AD 190. The Roman Empire was attacked by tribes such as the Goths and the Vandals. Civil wars in parts of the empire further weakened the rule of Rome and respect for Roman law dwindled as a result.
The world has breathed a collective sigh of relief after the superpowers reached an agreement ending the immediate threat of nuclear war. Russian leader Nikita Khrushchev has agreed to dismantle all Russian missiles based in Cuba and ship them back to the Soviet Union.
