1. For many years, railroads were the dominate mode of transportation in the United States. What event caused the motor carrier industry to improve speed, flexibility, and reliability?2. How is a "Class 1" railroad defined?3. Explain why airfreight rates discourage bulky cargo.4. In your own words, describe the operational differencesbetween truckload (TL) carriers and less than truckload (LTL) carriers.5. Generally, which has the lower average cost per hundred-weight, truckload freight, or less than truckload freight?6. What is the difference between a gathering line and a trunk line, with regard to pipelines?7. Operationally, why do railroads have less flexibility than motor carriers?8. What types of products are often transported by inland water carriers, and what product characteristics make them appropriate for water carriers?9. What might be an advantage of using intermodal (trailer or container on flatcar) transportation, rather than a motor carrier? What would be a disadvantage?10. If a vessel has a capacity to hold 6,000 40' containers, what is the TEU capacity?11. What are some services that a freight forwarder provides to a shipper? 12. Pricing for most modes of transportation has long been de-regulated, but what aspects of transportation are stillstrictly regulated? (Not modes, but aspects).13. Explain the difference between common carriers, private carriers, and contract carriers.