MO Rev Stat § 304.016 (2013)

The driver of a motor vehicle may overtake and pass to the right of another vehicle only under the following conditions:

(1) When the vehicle overtaken is making or about to make a left turn;

(2) Upon a city street with unobstructed pavement of sufficient width for two or more lines of vehicles in each direction;

Teacher I have a question. How would you be in a position in which you need to invoke the 1st or 2nd ruling of the regulations for passing on right?