Conversation so far:
What did Claude Auchinleck do in his later years?
Clause Auchinleck retired to London, where he occupied himself with a number of charitable and business interests and became a respectably skilled watercolour painter.
What was Claude Auchinleck helping?
Claude Auchinleck continued as Commander-in-Chief of the Indian Army after the end of the war, preparing the future Indian and Pakistani armies for the Partition of India.

Question: What happened with the Partition of India?
Self-contained rewrite: What happened with the Partition of India?