Control is the opposite of Rebel. Rebel is related to Law. Law is related to Restriction. Constraint is a type of Restriction. 
Mathematics is related to Study. Study is part of Education. Education is a synonym of Civilization. Civilization is a synonym of Home. 
Control <--Antonym--> Rebel <--RelatedTo--> Law <--RelatedTo--> Restriction <--IsA-- Constraint 
Mathematics <--RelatedTo--> Study --PartOf--> Education <--Synonym--> Civilization <--Synonym--> Home 