Um....Churchill didn't "lose" millions of lives in Bengal....he intentionally starved them.
https://www.aljazeera.com/news/2019/4/1/churchills-policies-to-blame-for-1943-bengal-famine-study
"“Churchill deliberately ordered the diversion of food from starving Indian civilians to well-supplied British soldiers and even to top up European stockpiles, meant for yet-to-be-liberated Greeks and Yugoslavs,” Tharoor, the author of “Inglorious Empire: What the British Did to India”, wrote."