Read this excerpt from The Call of the Wild, and consider the context clues.His only apparent ambition, like Dave's, was to be left alone; though, as Buck was afterward to learn, each of them possessed one other and even more vital ambition.

“Ambition” means something a person strongly wants to achieve or have—in other words, an objective or goal. The clue is that Buck and Dave wanted “to be left alone,” which describes a goal, and each also had another, more important ambition. “Happiness,” “weakness,” and “possession” do not fit this context.

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