Hi Vishali!

The Industrial Revolution in England in the 18th Century brought a massive and drastic change in the world of Industries, Mechanisms and Civilization. Everything evolved from Small - Scale to Large - Scale!

Second was the improvements in Natural Sciences. Natural Scientists made great discoveries which also made the others tempted to do so!

Due to the Colonization of the European Empire, their culture and the diversity in societies was established in various parts of the Colonization which being the third factor for the Emergence of Sociology!

Hope this is helpful!

All the best!