Galveston Bay is the second-busiest port in the nation by overall tonnage. Other major ports utilizing the bay include the Port of Texas City and the Port of Galveston. With its diverse marine life, Galveston Bay also produces more seafood than any bay in the nation except the Chesapeake. The Gulf Coast gained its present configuration during the most recent glacial period approximately 18 ka (thousands of years ago). Low global sea levels allowed the Texas mainland to extend significantly further south than it is presently, and the Trinity River had carved a deep canyon through present-day Bolivar Roads on its way
Galveston, Texas the plan to raise much of the existing city to a sufficient elevation behind a seawall so that confidence in the city could be maintained. The city developed the city commission form of city government, known as the "Galveston Plan", to help expedite recovery. Despite attempts to draw investment to the city after the hurricane, Galveston never returned to its levels of national importance or prosperity. Development was also hindered by the construction of the Houston Ship Channel, which brought the Port of Houston into competition with the natural harbor of the Port of Galveston for sea traffic. To further