What was the battle of Mantinea (362 bce)

Battle of Mantinea is a battle fought between the Thebans and the Spartan. Both side claimed victory but the Theban won a tactical victory but the Theban leader died and ended the Theban hegemony in Greece.

Explanation:

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

the answer is definitley b!