Answer:
It allows for transportation of goods to other river systems
Step-by-step explanation:
The most important contribution made by the Tennessee-Tombigbee Waterway to the economic life of the Tombigbee Hills region is that "It allows for transportation of goods to other river systems."
This is evident in the findings of the research conducted by Troy University in 2009. In which it was claimed that this particular waterway is replacing an annual average of 284,000 truckloads of goods.
Also, this waterway covers seventeen public ports and terminals and at the same time link to the Gulf of Mexico.