1875 में स्वामी दयानंद सरस्वती द्वारा मूल रूप से आर्य समाज की स्थापना किस स्थान पर की गई थी?

Which of the following factors contributed to the growth of militant nationalism (extremism) in India in the early 20th century?

On which date in 1920 did the Khilafat Committee officially launch its Non-Cooperation Movement in All-India Hartal?