Solving when you are just not sure of meaning of all words. Here we go :
1.)Understand the meaning of the sentence . it says :
Dramatic literature often (i) _______ the history of a culture in that it takes as its subject matter the important events that have shaped and guided the culture.
confounds-means confuses , does it confuses the history?
repudiates-means reject, doest it reject the history?
recapitulates
anticipates, anticipate kinda like a guess , it guesses the history?
polarized, discrimantes , doest it discrimantes the history?
Thus, recapitu;rates best fits the sentence
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