1
general::
Superior strength can enforce one's will or dictate justice, as in The generals dismissed the parliament and imprisoned the premier? might makes right in that country, or The big boys wouldn't let the little ones use the basketball, a case of might makes right. This expression was first recorded in English about 1327.
American Heritage Idioms
2
general::
Phrase(s): Might makes right.
Prov. Cliché The stronger of two opponents will always control the situation. • Child: How come the country with the biggest army always tells the other countries what to do? Father: Might makes right.
McGrawhill's American Idioms And Phrasal Verbs