Conclusions made on the basis of unstated or stated evidence are called <span><span>inferences.</span></span>
He expected to gain land, more resources, and more power because back then that's all they wanted.
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The verb in the sentence is tripped.
The author could be considered unbiased in her treatment because she writes from a general perspective and rather than detailing just one side, she describes both sides of the story.
She bases her information off facts rather than opinion.