The USA by 1920 (AQA A-Level History): Revision Notes
The USA by 1920
By 1920, the United States had emerged as the most powerful nation globally in both economic and industrial terms. This transformation was shaped by the First World War, ongoing social tensions, and evolving political attitudes towards America's role in world affairs.
Economic dominance
Industrial leadership
The USA achieved industrial pre-eminence largely because of its late entry into the First World War. While European powers diverted their resources to fighting from 1914, America remained neutral until April 1917. This allowed the US economy to benefit enormously from wartime demand without suffering the destruction experienced by Britain, France and Germany.
While European nations were devastated by years of warfare, American territory remained untouched by combat. This geographical advantage, combined with neutrality in the war's early years, positioned the USA perfectly to capitalise on wartime economic opportunities.
European nations required vast quantities of supplies—food, raw materials and munitions—which they purchased from American producers. Capital flowed into the USA as money was spent on these goods, stimulating rapid growth in industry and agriculture. Additionally, many countries borrowed substantial sums from American banks and businesses, creating new financial relationships. American bankers and businessmen increasingly invested in European markets, positioning themselves to profit when these economies recovered during the 1920s.
The war disrupted European manufacturing and export capabilities. American producers seized this opportunity, taking over overseas markets previously dominated by European firms. For instance, the USA displaced Germany as the world's leading manufacturer of fertilisers and chemicals. The war also accelerated technological progress, particularly in mechanisation (the adoption and use of machinery in production processes). New materials such as plastics were developed and refined, with American industry leading these innovations.
Agricultural and resource production
By 1920, American dominance in resource production was unmistakable. The nation produced and consumed 70 per cent of the world's oil and stood as the leading producer of both coal and steel. Large, efficient farms on the Great Plains supplied approximately one-third of global wheat production and over two-thirds of the world's corn.
These remarkable production figures reflected both America's vast natural resources and its advanced industrial capabilities. The USA's ability to produce such a large proportion of essential commodities gave it tremendous economic leverage in international affairs.
Uneven prosperity
America had undoubtedly become a wealthy nation. Living standards for many American families exceeded those of their European counterparts, partly because the USA had not suffered the direct devastation inflicted on most of Europe. However, this prosperity was distributed unequally. Millions of Americans remained excluded from the economic gains.
The gap between America's wealthy industrialists and working classes was substantial. Whilst the nation's overall wealth increased dramatically, this prosperity was concentrated amongst business owners and larger agricultural enterprises, leaving many workers and small farmers struggling.
Many industrial workers found themselves at the mercy of large business corporations. These employers offered no negotiating rights regarding working hours or wages. Low pay forced workers into slum housing in urban areas. Meanwhile, small farmers faced mounting financial difficulties. They struggled to compete with larger agricultural enterprises and with overseas competition from Argentina, Canada, Australia and New Zealand, which were expanding their own export capabilities.
Social composition and divisions
Multicultural character
American society by 1920 was diverse and multicultural. At its core remained the descendants of the original white, English Protestant settlers. However, they had been joined by successive waves of immigration: Germans, Poles, Italians, Irish, Chinese, Russian Jews and numerous other groups seeking the 'American dream'. The first two decades of the twentieth century witnessed further large-scale immigration.
Yet the reality immigrants encountered often meant poverty and exploitation rather than opportunity. Their arrival created a society unlike any other, introducing new cultural dimensions to American life. However, this diversity also intensified existing racial tensions, despite the formal end of slavery.
Immigration patterns had transformed American cities. New York, Chicago, and other major urban centres became melting pots of different cultures, languages, and traditions. Immigrant communities often formed distinct neighbourhoods where they maintained their cultural practices whilst adapting to American life.
Racial inequality
African Americans, particularly in the South, remained very much second-class citizens. They endured systematic discrimination, enforced segregation and routine intimidation. Discrimination refers to the unjust treatment of people based on characteristics such as race, whilst segregation describes the enforced separation of racial groups in daily life, including schools, public transport and public facilities.
Despite the abolition of slavery following the Civil War, African Americans faced severe legal and social restrictions, particularly in Southern states. Jim Crow laws enforced racial segregation, whilst violence and intimidation—including lynching—were used to maintain white supremacy and prevent Black political and economic advancement.
Native Americans had lost their ancestral lands and traditional ways of life. They were now confined to reservations, isolated from mainstream American society and denied full participation in the nation's economic life.
Political landscape
Domestic governance
The Progressive Era, particularly under presidents Theodore Roosevelt and Woodrow Wilson, had brought some expansion in the powers of the presidency and federal government. This included greater regulation of business, finance and social reform. However, the role of both remained limited compared with later periods.
Many Americans, especially representatives in Congress, championed a laissez-faire approach—a philosophy emphasising individual liberty and opposing government interference in economic and social affairs. This principle restricted the extent to which the federal government could intervene in citizens' lives or regulate business practices.
The tension between Progressive reforms and laissez-faire principles reflected a fundamental debate about the proper role of government in American society. Whilst Progressives sought to address social problems and regulate big business, traditionalists argued that such intervention violated American principles of individual freedom and limited government.
Foreign affairs
In world affairs, the USA had moved from its traditional isolationism to direct involvement in the First World War. President Wilson played a prominent role at the peace conference and in establishing the League of Nations. However, by 1920 the prevailing mood within America favoured far less involvement in European affairs and a return to isolationism—a policy of avoiding entanglement in international alliances and conflicts, particularly in Europe.
The Senate's rejection of the Treaty of Versailles and refusal to join the League of Nations marked a decisive shift in American foreign policy. Many Americans believed that involvement in European affairs had been a mistake and that the nation should focus on domestic concerns rather than international commitments.
Key Points to Remember:
- By 1920, the USA had become the world's leading industrial and economic power, producing 70 per cent of global oil and dominating coal and steel production.
- The First World War transformed the American economy: late entry allowed the USA to profit from supplying the Allies whilst avoiding devastation, leading to industrial expansion and technological advancement.
- Economic prosperity was unevenly distributed; industrial workers faced exploitation by large corporations with low wages and poor conditions, whilst small farmers struggled against competition.
- American society was multicultural but deeply divided, with African Americans suffering systematic discrimination and segregation, and Native Americans confined to reservations.
- The political climate favoured limited government intervention (laissez-faire principles), and by 1920 there was a strong shift back towards isolationism in foreign policy despite Wilson's internationalist efforts.