Overview

The First World War increased India’s military and economic importance, intensified hardship and raised expectations of political reward. It also brought the Ottoman question into Indian Muslim politics and encouraged Congress–League cooperation.

Detailed narrative and evidence

• India contributed soldiers, money, raw materials and logistical support to the British war effort. Indian troops served in Europe, the Middle East and Africa, strengthening claims that wartime sacrifice deserved constitutional progress.
• War expenditure produced inflation, shortages and heavier taxation. Economic hardship affected workers, peasants and the urban middle classes, making political criticism more socially widespread.
• The Ottoman Empire entered the war against Britain. Many Indian Muslims remained loyal to British India while also fearing for the Ottoman Sultan-Caliph and Muslim holy places.
• Britain’s wartime promises were ambiguous. The 1917 Montagu Declaration announced the gradual development of self-governing institutions, but the absence of a timetable created both hope and scepticism.
• Political repression and emergency powers coexisted with promises of reform. This contradiction helped explain post-war anger over the Rowlatt legislation.

Causes, relationships and analysis

War did not automatically create unity, but it provided shared reasons for constitutional cooperation: both Congress and the League wanted meaningful reform, while Jinnah promoted negotiation rather than revolutionary action.

The Ottoman issue linked Indian politics with a wider Muslim world. It later fuelled the Khilafat Movement, one of the largest episodes of Hindu–Muslim mass cooperation and eventual division.

Consequences and historical significance

The war accelerated political change by raising expectations faster than Britain was willing to satisfy them. Its social costs and international consequences made pre-war loyalism harder to sustain.

Historical interpretation and judgement

The most important effect was not one event but the widening gap between Indian expectations and British control after substantial wartime contribution.

Review questions and suggested answers

References and further reading