There is no underlined word.
Sally is a Direct Object
Best is a predicate adjective
Is is a predicate nominative
A "popular press source" in general refers to any news publication, either on paper or online, that has a wide circulation and is popular. Although this doesn't always mean that it is reputable.
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In Enlightenment and Neoclassical art, nature was viewed as orderly, rational, and subject to laws that people can manipulate and observe, while during the Romantic period, nature was viewed as more powerful than themselves, and analogous to human feelings.