Answer:
Consumer benefits: Specialization means that the opportunity cost of production is lower, which means that globally more goods are produced and prices are lower. Consumers benefit from these lower prices and greater quantity of goods.
Explanation:
The correct answer should be the third one you listed. The "current drag" then is a device that is used in order to measure the sub-surface currents. This device and the measurements it provides are extremely important for the field of oceanography which studies the aspects of the oceans both the physical and the biological ones.
They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
Can you please expand on the question
