Read the background information on page 247 about the age restrictions imposed on drivers. When automobiles were first being sold, there were no requirements for training and testing of driving skills. A friend, a relative, or perhaps a car salesman taught people how to drive. As more and more people began to drive, especially in congested cities, the need for more rules and regulations became clear, as did the need for better-trained drivers. Based on the background information, what are some of the changes in rules and regulations?

License, training for car driving and traffic rules.

Explanation:

License, training for car driving and traffic rules are the some of the changes in rules and regulations when the number of cars increases on the road in order to avoid accidents on the roads. Training of car driving is necessary for the drivers in order to avoid accidents on the road and for the safety of drivers itself and obeying traffic rules also helps in avoiding unfavourable events on the roads of congested cities so that's we can say that License for car driving and traffic rules are the new rules made when more cars comes on the roads.

its c

explanation: