Essential supply of natural resources such as timber, iron, coal, minerals, oil and land
Immigrants provided a plentiful and cheap work force to utilise these resources
The USA experienced significant growth during the First World War while European economies suffered
US banks loaned money to Europe and businesses sold much needed goods during the First World War
The war provided a stimulus for inventions in production, materials and advertising
There was a small slump immediately after the war but from 1922 the USA experienced an unprecedented economic boom
Electricity industry
Experienced a huge boom in the 1920s
By 1929 the majority of houses in America had electricity and 70 per cent of them used it for lighting purposes
Demand for electricity doubled as a result of the development of factories to produce consumer goods
Mass production
Introduced in factories to drive machinery
Enabled the production of consumer goods like refrigerators, washing machines, vacuum cleaners and radio sets
Car industry
Best example of mass production during the period
Henry Ford pioneered affordable cars for the American people
By 1925 the price of a car was around $290, much cheaper than $850 in 1908
By 1929 Americans owned 23 million cars
The car industry boosted the entire economy by creating thousands of jobs, and leading to the building of roads, petrol stations, hotels and restaurants
Hire-purchase and credit
A way of borrowing money, allowing people to buy goods and pay for them over time
Advertisements were used to encourage Americans to take advantage of hire-purchase and credit schemes to buy new consumer goods
Chain stores and catalogue shopping became fashionable during this period