Final answer:
The answer to the fill in the blanks is (a) 'Public office, ten' as it is often historical practise for military service to be required for public office roles.
Step-by-step explanation:
The answer to the fill-in-the-blank statement: "All male citizens were required to serve in the army, and no one could hold __________ __________ until he served ______ years as a soldier." is: (a) Public office, ten. This stems from historical practices in various countries that established mandatory military service as a prerequisite for occupying certain positions or exercising certain rights in public spaces. For example, Russia and France had compulsory military service and the United States instigated a draft during war times like the Civil War and World War II.
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