Traffic collisions and accidents are a major cause of death in the US as nearly 3 million people were injured in 2008 alone from the traffic collisions. While driving the risk of an accident is always present and that is why the drivers always need to be alert, not sit behind the wheel under influence. People shouldn't drive even when taking certain prescription drugs. All of these are warnings and ways by which the officials are trying to reduce the number of accidents on the roads.
There exist various ways of investment into human resources. Businesses can invest in general human capital, which is an investment into specific or general training that enables acquisition of general knowledge usable in various companies. This results in higher future expected return of investment.
The answer is nationalism