Examine the graph. A bar graph titled Time (in Minutes) Needed to Produce a Single Automobile. The x-axis is labeled Before 1913 and After 1913. The y-axis is labeled from 0 to 800. Before 1913 is over 700. After 1913 is under 100. Which development occurred in 1913 that best explains the dramatic decrease in the amount of time required to produce a single automobile? the widespread use of the assembly line a sharp increase in demand for automobiles the adoption of laissez-faire policies in manufacturing a growth in the number of manufacturing jobs in the US
