Spectacular is similar to Dramatic. Dramatic is derived from Drama. Drama is related to Literature. Literature is related to Culture. 
Restrict is a synonym of Contain. Contain is a synonym of Control. Control is the opposite of Free. Free is a different concept from Slavery. 
Spectacular <--SimilarTo--> Dramatic --DerivedFrom--> Drama <--RelatedTo--> Literature <--RelatedTo--> Culture 
Restrict <--Synonym--> Contain <--Synonym--> Control <--Antonym--> Free <--DistinctFrom--> Slavery 