More than 25 million cars were on the road by 1930. This is extremely remarkable when we consider that the car had only been created a few years earlier. One of the developments that allowed the car to become popular was the creation of the Model T by Ford. This was the first truly affordable car, and it allowed most families to be able to buy one during the 1910s and 1920s.
It led for the citizens of each state to decide whether or not their state would be a free or slave state. Although it did backfire with events such as bleeding Kansas