IN FRONT of your vehicle.
This would be a perfect example of the system of barter as you are trading one book for the other. You can see from here what barter is, a trading system which involves direct exchange of goods without some kind of medium of exchange, for example money. Services can also be traded this way.
Safety and Understandment in my opinion. One needs to know how to drive the type of car and knowing the protocols of driving a vehicle.
The correct answers for the blank spaces are INTERNAL and CONSCIENTIOUSNESS.
A person with an internal locus of control<span> believes that he or she can influence events and their outcomes, while someone with an external </span>locus of control<span> blames outside forces for everything.
</span><span>People with internal locus of control exhibit less anxiety, greater motivation, and stronger expectations that effort leads to performance.</span>
While a <span>person scoring high in </span>conscientiousness<span> usually has a high level of self-discipline. These individuals prefer to follow a plan, rather than act spontaneously. </span>