Final answer:
In both the United States and Canada, drivers are required to drive on the right side of the road. This is a standardized practice across these countries, which is also reflected in the placement of road signs.
Step-by-step explanation:
In the United States and Canada, you drive on the right side of the road. This rule applies to the entire road network in both countries, ensuring consistency and safety for drivers. The correct option to the question is 2) Right. Understanding the side of the road to drive on is important in interpreting road signs and for overall road safety. For example, when looking at road signage, you'll typically find signs positioned on the right side as well, as they are designed for traffic driving on the right.