Over Recent Decades, Multiple Studies Have Found That the Nature

Over recent decades, multiple studies have found that the nature of child-related injuries and accidental fatalities have changed. Which is a likely explanation for this change?

A) As the population grows, rates of injuries and accidents have increased.
B) Laws and policies around safety and other guidelines have led to improved safety precautions, and injuries have declined.
C) Because of new-age parenting approaches, including goals to allow children more autonomy, young children are riskier and get hurt more often.
D) Fatalities are drastically higher today than three decades ago, primarily due to increased speeding and more cars on the road.
E) Toxic substances and swimming pools are much more likely to be present in homes today.