Answer:
Answer A.
Explanation:
In the early 1900s of Russia factory workers initiated a revolution changing the policy.
Karl Marx believed that capitalism would eventually stagnate due to contradictions and will eventually lead to socialist policies. He also thought that the only way capitalism could be overcome was via revolution. (As Marx thought everything else should be settled by)
The correct answer is A) In cities. Hope this helps.
Holy Fairs: The Kumbh Mela (the "pitcher festival") is one of the holiest of Hindu pilgrimages that is held four times every twelve years; the location is rotated among the four cities of Prayagraj, Haridwar, Nashik, and Ujjain. Shravani Mela of Deoghar and Pitrapaksha Mela of Gaya are also notable holy fairs.