Final answer:
Drivers should stop their vehicles before entering the intersection of a stop sign that is not marked by a crosswalk.
Step-by-step explanation:
True
When approaching a stop sign that is not marked by a crosswalk, drivers should stop their vehicles before entering the intersection. This is important for several reasons. Firstly, stopping at the stop sign allows drivers to assess the traffic situation and ensure that it is safe to proceed. Secondly, it gives pedestrians or other vehicles the right of way, preventing accidents. Lastly, it promotes a safe and orderly flow of traffic.