Answer: leagues

AnswerCrossword Clue
LEAGUESMajor ...
leaguesThe contest for the championship of such a league
leaguesAn agreement to combine in this way
leaguesLEAGUE, to come together for a common purpose
leaguesA collection of people, countries, or groups that combine for a particular purpose, typically mutual protection or cooperation
leaguesA class or category of quality or excellence
leaguesA group of sports clubs that play each other over a period for a championship
LEAGUESSets of clubs
LEAGUESGroups of alley cats?
LEAGUESLinks groups
LEAGUESBaseball divisions
LEAGUES"Twenty Thousand ... Under the Sea"
LEAGUESVerne title word
LEAGUESNational and American
LEAGUESAmerican and National
LEAGUESAmerican and National.
LEAGUESThe Minors.
LEAGUESNational and American.
LEAGUESAlliances
LEAGUESAssociations of teams
LEAGUESMajor and minor
LEAGUESBowling tournament groups
LEAGUESThey could be major or minor