1. How should Ruby approach this briefing? Should she explain each mode of transportation or should she discuss only the concept of intermodal transportation? Explain your recommendation; why do you think one approach is better than another, i.e. what is the benefit to those being briefed? 

2. In your opinion, which mode of transportation has the most potential for problems? Explain why you say that.

3. Identify the mode of transportation that is the most flexible and the one that is the least flexible. Explain why you consider them as the most and least flexible.