請依下文回答第 16 題至第 20 題： Globalization has led to 16 of drug trafficking. Advances in technology, transport, and travel have added to the efficiency and speed of the global economy. They offer similar efficiencies to the business of trafficking networks. More than 420 million 17 containers traverse the seas every year, transporting 90% of the world’s cargo. Most cargos carry legitimate goods. However, authorities cannot 18 them all. And some are used to 19 drugs. Airplanes, submarines, speedboats, trucks, tunnels — taken as a whole, the systems used to move 20 drugs around the world comprise a network likely bigger than Amazon, FedEx, and UPS combined. This is today’s golden age of drug trafficking.