What is breaking a large topic into smaller pieces to better understand the subject

Which sources would be most appropriate for an essay that focuses on how technology has affected the development of english? check all that apply. an anthology of old and middle english literature u "colonialism and the influence of french on english" the effects of the printing press on language "how computers are changing the way we speak, write, and think" influential writers of the eighteenth century "lol: the influence of text messaging on spoken english"

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Labode, roger. "ten best dog breeds." family. dec. 2002. pp 17-18. what is the word family? a. article title b. name of publication c. author's name d. publisher