The purposes of this part are to—

(1) establish a nondiscriminatory regulatory process for the common carriage of goods by water in the foreign commerce of the United States with a minimum of government intervention and regulatory costs;

(2) ensure an efficient, competitive, and economical transportation system in the ocean commerce of the United States;

(3) encourage the development of an economically sound and efficient liner fleet of vessels of the United States capable of meeting national security needs and supporting commerce; and

(4) promote the growth and development of United States exports through a competitive and efficient system for the carriage of goods by water in the foreign commerce of the United States, and by placing a greater reliance on the marketplace.