I think the answer is "In 1867, the United States bought Alaska from Russia for $7 million". When you ask the question "when" the question is asking about time. In this excerpt, when is answered by "in 1987". while the sentence supported it is the event that happened during that time, which is " The US bought Alaska from Russia for $7 million.
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Narrative arcs and the prototypical “Plot Diagram” are essential for building literary comprehension and appreciation. Plot diagrams allow students to pick out major themes in the text, trace changes to major characters over the course of the narrative, and hone their analytic skills. Lessons emphasizing these skills meet many Common Core Standards for English Language Arts (CCSS.ELA-Literacy). The concepts not only give students a fuller understanding of classroom texts, but also their favorite books and movies.
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