One effect of the government-imposed seat belt law in the U. S. has been a. a dramatic decrease in the number of pedestrian deaths. b. safer driving. c. an increase in the number of accidents. d. a dramatic decrease in the number of driver deaths.

Option D

Explanation:

There has been a dramatic reduction in drivers death. As apart from the seat belt, most cars comes with air bags that prevents drivers from very severe damages and injuries if an accident occurs, so the seal belt rule has in a much better way also reduce the extent drivers have injuries, apart from death, the seat belt law has reduce injuries to the drivers.