confederation
con-fed-er-a-tion
noun
A union of states, groups, or organisations for a common purpose.
"They formed a confederation of independent states."
Thesaurus
Synonyms: alliance, federation, confederacy
con-fed-er-a-tion
A union of states, groups, or organisations for a common purpose.
"They formed a confederation of independent states."
Synonyms: alliance, federation, confederacy