Answer:
1900 and 1920.
Step-by-step explanation:
According to the given automobile ownership chart from the year 1900 to 1950 we can see that from the year 1900 to 1920 there is a smallest increased in car ownership and after that, there is a slightly increased from the year 1920 to the year 1950 that represents the bar graph shows an upward movement
Hence, the first option is correct