Final answer:
The Panama Canal, completed in 1914, is the manmade waterway connecting the Atlantic and Pacific Oceans, making option B the correct answer.
Step-by-step explanation:
The name Q that connects the Atlantic Ocean to the Pacific Ocean is the Panama Canal. Thus, the correct answer to the question is B) Panama Canal. The Panama Canal is a fifty-mile canal across the nation of Panama, which was completed in 1914. This canal allows ships to travel between the Atlantic and Pacific Oceans without the need to navigate around the southern tip of South America, drastically reducing the time and distance for maritime trade routes.