The events are in this order as occured in the world history;
1) Sepoy Rebellion (This is also known as Indian Mutiny, the Great Rebellion, the Revolt of 1857 etc. and was the first major uprising against East India Company and reportedly set path for the establishment of British Raj in India)
2) British Raj established. (1858)
3) World War 1 (1914)
4) Amritsar Massacre (1919) (This is also known in Indian History as The Jallianwala Bagh massacre)
1, 2, 3 and and the second 2. I hope I could help. Have a wonderful rest of the day.
The British army wasn’t strong enough to challenge German military which had grown tremendously over Hitler’s time; British leaders believed that hitler provided defense against soviet communism.