Correct
五霸
/ wǔ bà /
Strokes
Definition
the Five Hegemons of the Spring and Autumn Period 春秋[chūn qiū]
Example
As a Noun
Five Powers ［the five successive leaders of alliances of states in the Spring and Autumn Period (770-221 BC):Duke Huan of Qi（齐桓公），Duke Xiang of Song（宋襄公），Duke Wen of Jin（晋文公），Duke Mu of Qin（秦穆公）and King Zhuang of Chu（楚庄王）］