In a Ford plant of the 1920s the car moved past workers who each stayed at one station and repeated a single task, and the labor time in every car fell sharply. Which production method is described?

A family with a few weeks' wages saved could still drive home a car costing several hundred dollars, paying a deposit and then a fixed sum every month until the balance was cleared. Which business practice is described?

In 1927 listeners in different states followed the same heavyweight fight, described blow by blow at the same moment, without leaving their living rooms. Which technology made that possible?

Manufacturers spent heavily on magazine and radio campaigns so that shoppers in towns hundreds of miles apart asked for the same soap, cigarette or breakfast cereal by name. Which business practice produced that uniformity?

One firm ran hundreds of nearly identical grocery stores, bought its stock in bulk for all of them, and undersold the independent corner grocer. What kind of business was it?

While Ford held to one low-priced model, General Motors under Alfred Sloan offered cars in several price ranges and colors so owners would trade up. What was GM's selling strategy?

Along the highways states paved in the 1920s, filling stations, tourist cabins and roadside diners appeared in places that had held no such business before. Which change created those trades?

In 1927 Ford stopped making the Model T after nearly nineteen years, shut his plants for months and retooled for a new car. Which pressure best explains that decision?

Radio networks linked local stations into one hookup, and national advertisers bought time to sponsor whole programs. What did these two developments together make possible?

Cars became cheap enough for wage earners to own, and states used federal aid to pave long stretches of road. What did these two conditions together make possible?

By the late 1920s most city homes were wired for electricity, and stores sold washing machines, refrigerators and vacuum cleaners on monthly terms. What did these two conditions together make possible?

The sale of alcoholic drink was illegal after January 1920, yet millions of Americans still wanted to buy it and many police forces were thin and poorly paid. What did these conditions together produce?

Hundreds of thousands of Black Southerners moved north to cities during and after the First World War, and in New York many settled in one Manhattan neighborhood. What did these conditions together make possible?

Many industrial workers in the 1920s took home higher real wages than before the war and worked fewer hours a week than their parents had. What did these two changes together support?

Studios opened large ornate movie palaces in cities across the country and publicized their leading players through fan magazines and newspaper columns. What did these together create?

In the later 1920s many buyers of stock put down only a fraction of the price and borrowed the rest from their brokers. What was this practice called?

In August 1926 a 20-year-old American swimmer crossed the English Channel from France to England in 14 hours and 34 minutes, beating the fastest time any man had made, and rode up Broadway in a ticker-tape parade. Who was she?

In 1927 a New York Yankees outfielder hit 60 home runs in a single season, a record that stood for 34 years, and drew crowds to a stadium opened in 1923. Who was he?

A cornet and trumpet player who grew up in New Orleans moved north and made a series of Hot Five and Hot Seven records in Chicago that put the improvised solo at the center of jazz. Who was he?

This writer published the poem 'The Negro Speaks of Rivers' in 1921 and the collection 'The Weary Blues' in 1926, using the rhythms of blues and jazz in his verse. Who was he?

A Jamaican-born organizer built the Universal Negro Improvement Association in the United States, urged Black economic independence and pride in African descent, and founded the Black Star Line steamship company. Who was he?

Before October 1927 feature films were shown with printed title cards and live music in the theater. Which film's synchronized singing and speech began the industry's switch to sound?

In 1925 a high school teacher in Dayton, Tennessee was tried for teaching evolution in violation of a state law, with William Jennings Bryan for the prosecution and Clarence Darrow for the defense. What was this?

A London-born comedian became the most recognized figure in silent film playing a shabby character in a bowler hat and oversized shoes, twirling a cane. Who was he?

The Eighteenth Amendment took effect in January 1920. Which of these did it actually forbid?

Women cast ballots in every state in the presidential election of November 1920. Which change made that possible?

Congress passed the Immigration Act of 1924, also called the National Origins Act. What did it do?

President Coolidge signed the Indian Citizenship Act in June 1924. What did that law do?

Through the 1920s the automobile and electrical goods industries grew fast, while coal mining, textiles and shipbuilding cut wages and laid workers off. What does this pattern show about the decade's prosperity?

Output per factory worker rose faster than wages through the 1920s, and a large share of consumer buying was done on monthly credit rather than out of income. What does this show about the boom?