You can watch the entire course – “Daily Lectures Series by Roman Saini” here:- https://goo.gl/5dn4MG | Download the Unacademy Learning App from the Google Play Store here:- https://goo.gl/02OhYI

World War II – an event nobody expected to take place but it did and killed millions of people. Roman explains all the important facts about it quoting credible resources. Do watch it and enroll in the course (Daily Lecture Series by Roman Saini on Unacademy.com) to watch lessons on a list of such important topics daily. Yes, daily.

For more lessons/courses on UPSC CSE Preparation, please visit:- https://unacademy.com/upsc-preparation/

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