Explanation
1. A country today cannot expect to play an important part in world affairs unless it
Difficulty Level: 700
Explanation
The passage describes the transformation of the United States from a small and weak country into a significant player in world affairs. It states that immense changes took place inside the United States, including the transition from an agricultural to an industrial nation and a significant population growth. These changes allowed the United States to play an important role in foreign affairs.
Based on the information provided, we can infer that for a country to play an important part in world affairs, it needs:
I. Wealth: The passage mentions the transformation of the United States into an industrial nation, indicating the importance of economic strength.
II. A large population: The passage highlights the substantial growth in the population of the United States, indicating that a large population contributes to a country's significance in world affairs.
III. Internal strength: The passage emphasizes the immense changes that took place inside the United States, suggesting that internal strength, which could include factors like military power, political stability, and social cohesion, is necessary for a country to play an important role in world affairs.
Therefore, all three factors - wealth, a large population, and internal strength - are essential for a country to expect to play an important part in world affairs. Hence, the correct answer is (E) I, II, and III.
Answer: E