1930s: The economy of the United States continues to slump after a massive downturn in the stock market, which began in 1929 and led to the Great Depression.

Today: After a massive boom, the economy of the United States slumps after a massive downturn in the stock market, which began in 2000.

1930s: To combat widespread crime in the United States various federal government agencies within the Department of Justice are consolidated to form the Federal Bureau of Investigation.

Today: After the attacks on the World Trade Center and the Pentagon, President Bush forms the Office of Homeland Security to strengthen protection against terrorist threats and attacks in the United States.

1930s: Although gambling is illegal, many gambling houses exist, and often have police protection.

Today:State lotteries are commonplace and many states have legal gambling casinos, many of them operating on Native-American reservations.