Sentence:  Thus , if we are to observe American folklore in the twentieth century , we will do well to establish the <WSD>relationships</WSD> between folklore , nationalism and imperialism at the outset . 
Meaning of the word marked with <WSD> tags:  a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness)