in meaning to (A) discussed (B) prepared Line the United States increased The frontier had mostly disappeared and by 1910 (5) bureaucrat ization of economic : life combined with a new emphasis upon (10) immigrants at the turn of the century coincided with and contributed to an agencies children "efficiently" in their own homes.or if economic ne cessity demanded soccer s of others. Sursequent notions seem quite out -of-date. (A) hostility (B) shyness (B) Depression (C) Boredom (D) Anger

The correct answer is **(A) hostility**. Here's why:* **The passage discusses the changing social landscape of the United States at the turn of the 20th century.** It mentions the disappearance of the frontier, the rise of bureaucracy, and the influx of immigrants. * **The phrase "coinciding with and contributing to" suggests a relationship of cause and effect.** The passage implies that the changes described led to a particular attitude or feeling.* **The word "hostility" best fits the context.** The passage suggests that the changes were disruptive and potentially led to negative feelings towards immigrants. Let's look at why the other options are incorrect:* **(B) shyness:** Shyness doesn't fit the context of social and economic changes.* **(C) Boredom:** Boredom is not a likely reaction to the significant changes described.* **(D) Anger:** While anger is possible, "hostility" is a broader term that encompasses a range of negative feelings, making it a more accurate fit.