Slavery helped support the rich by tending to the things that made them richer (the plantations).
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)
The most important work was
Explanation: Warren completed History of the Rise, Progress and Termination of the American Revolution in 1805, making her the first woman to write a history of the Revolution.
