Answer:
2?
Why? According to study.com the four main causes of the great depression include stock market crash, bank failures, overproduction and drought.
In 1890, Mary E. Lease led the Farmers' Alliances to D. revolt against high mortgage rates.
The differences between the Mughal and the Ottoman Empires is that the Ottomans had a majority Christian region, while the Mughals were ruling over Hindu majority region.