Based on the readings within Chapter 11 of the textbook, respond to the following questions:

1. Using company websites, compare and contrast four service offerings for the following transportation companies:
   1. J.B. Hunt (https://www.jbhunt.com/) and Old Dominion Freight Line (https://www.odfl.com/Home/)
   2. FedEx (https://www.fedex.com/en-us/shipping.html) and DHL Aviation (https://aviationcargo.dhl.com/aviationcargo/)
   3. Maersk Line (https://www.maersk.com/) and Wallenius Wilhelmsen Logistics (http://www.walleniuswilhelmsen.com/)
   4. Canadian National Railway Company (https://www.cn.ca/en/) and Florida East Coast Railway (https://fecrwy.com/)
2. Describe the purpose and value of freight documentation like bill of lading, freight bill, and freight claim.
3. Identify and discuss appropriate modes of transportation for the following items:
   1. Apple iPhones
   2. Under Armour running shoes
   3. Organic fruits and vegetables
   4. Pressure treated lumber
4. Describe the major challenges faced by transportation managers in the current environment (considering also pandemic, COVID-19, lockdown, etc.)