In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Passage: Jack Rose Compton Gannon (1 November 1882 25 April 1980) was an Irish first-class cricketer and British Army officer. He served initially with the British Army's South Staffordshire Regiment before joining the Indian Army's 23rd Cavalry Regiment. He saw active service in the First World War and the Third Anglo-Afghan War and was mentioned in dispatches. Gannon later served as a military secretary to the British commander-in-chief in India before his retirement in 1933. He was recalled to service in the Second World War and was recognised for his contributions to the war on the western front by two further mentions in dispatches and appointment to British and Dutch honours. In retirement he was manager of The Hurlingham Club an exclusive sports club and honorary secretary of the Hurlingham Polo Association. Gannon played eight first-class cricket matches for Marylebone Cricket Club and the Europeans.
Link Information: Casualties during the conflict amounted to approximately 1,000 Afghans killed in action, while the British and Indian forces lost 236 killed in action. In addition, 615 were wounded, 566 died from cholera, and 334 died as a result of other diseases and accidents. Answer: World War I
Which of the two wars that Gannon saw active service in had more total casualties?