Step 1 : Introduction to the question "1. Which ocean is described as the commercial highway between important industrial regions of western Europe and the northeastern states of USA?"
...1. Pacific Ocean 2. Bay of Bengal 3. Indian Ocean 4. Atlantic Ocean The Atlantic Ocean serves as the commercial highway between important industrial regions of western Europe and northeastern states of the USA. It has some of the best seaports in the world; Montreal, London and New York. It has the longest coastline among all oceans. It also contains famous islands like Puerto Rico, Cuba and Jamaica.