Which of the following explains why the Federal Aviation Administration and the United States Maritime Administration work closely with the U. S. Customs Agency? to ensure that no illegal substances are smuggled on air and sea transports
to ensure that no illegal substances are smuggled on air and sea transports

to create specific regulations for weight loads on air and sea transports
to create specific regulations for weight loads on air and sea transports

to prevent oil spills and other environmental disasters
to prevent oil spills and other environmental disasters

to design entry and exit points out of the country to control air and sea flow