In which of the following events the Britishers suffered serious losses and their defeat became a motivation for 1857 revolt?
1. American Revolution 2. First Afghan war
3. Crimean War 4. Boer wars
Only 2 and 3
Statement (1)-The American Revolution-(1775). Statement (2) and (3) The British army suffered major reverses in the First Afghan war(1838-42) and in the Crimean war (1854-56), which shattered the general belief in the invincibility of the British regime. Statement (4) Boers war-(1899-1902).