1, 3, 4, and 7 are true the rest are false.
The Indian Rebellion of 1857 had diverse political, economic, military, religious and social causes. ... The spark that led to a mutiny in several sepoy companies was the issue of new gunpowder cartridges for the Enfield rifle in February, 1857. A rumour was spread that the cartridges were made from cow and pig fat.
Answer: Japan surrenders after the Soviet Union enters the war which marked the end of ww2.
Explanation: Nuclear weapons shocked Japan into surrendering at the end of World War II, which they didn't. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon.