Final answer:
Vessels required to be documented with the U.S. federal government include all commercial fishing vessels and those measuring 5 net tons or more used commercially, including in foreign trade.
Step-by-step explanation:
The vessels that are required to be documented with the federal government in the United States include:all vessels used for commercial fishing and any vessel measuring 5 net tons or more that are used in fishing activities or other commercial endeavors.
This includes vessels engaged in foreign trade, as they participate in international trade and must comply with various regulations, including those related to ballast water (BW) management, to prevent biological invasions and protect against aquatic invasive species. The documentation is regulated by entities such as the US Coast Guard (USCG) and the US Environmental Protection Agency (US EPA).