Because the title does not show a lot about the article except what it's about. You may be able to tell by the author because the author may have written reliable or unreliable information before.
Answer: b. helped inspire a growth of tourism in the West.
Explanation:
The Hudson River School paintings highlighted the landscape of the West, allowing a better appreciation of an area still fairly unknown at the time. The growing admiration for the beauty of the Western scenery led to an increase in tourism and settlement. Furthermore, several national parks were established to protect the area.