Mezue ahịrịokwu na-esonụ: Nkwanye ugwu nke agha ghọrọ ihe ọdịnala n'oge agha nke oge a, mgbe nnọchibido bụ ihe a na-ahụkarị, na ihe ịma aka ndị metụtara ngwa agha mere ka o sie ike ijide onye iro e meriri emeri mgbe mmeri agha gasịrị. Otú ọ dị, omume ahụ gara n'ihu n'oge agha ụlọ ọrụ mmepụta ihe. Mgbe nnọchibido nke Metz (1870), ndị Prussia nyere ndị agha France na-enyefe ndị agha France, mana ndị isi ndị France bụ Bazaine jụrụ ịnabata ha. Na Agha Ụwa nke Abụọ, ndị German nyere ndị agha France meriri na Siege nke Lille (1940), ndị Britain nyekwara ndị agha Ịtali meriri n'agha ahụ.
Agha Amba Alagi (1941).