Answer:
American agriculture and rural life underwent a tremendous transformation in the 20th century. Early 20th century agriculture was labor intensive, and it took place on many small, diversified farms in rural areas where more than half the …
Explanation:
Obsessed is most appropriate to describe a person whose mind and heart are concentrated on one idea to the exclusion of everything else.
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The answer is "re-evaluate the situation and refocus on how he can meet his goal"
The underlined subject of the sentence the skyscraper that was built last year is a noun phrase.When determining the type of phrase, you first need to find its center, of the most prominent word. Here, the center is skyscraper, which is a noun, which means that the whole phrase is a noun phrase.