A historian charted U.S. car ownership (cars per 1,000 people) in four decades: 1920, 90; 1940, 220; 1960, 410; 1980, 540. The historian argued that car ownership grew rapidly from 1920 through 1960 but slowed afterward. The strongest support is ______
Which choice most logically completes the text using the data above?
- A
the 1920 figure of 90.
- B
the 1980 figure of 540.
- C
the 1940 figure of 220.
- Dcheck_circle
the 320-unit gain from 1920 to 1960 (4x), versus the 130-unit gain from 1960 to 1980 (~30%).
Explanation
"Rapid growth then slowdown" requires comparing two periods. Choice B captures the early 4x rise versus the later 30% rise, supporting the slowdown.