Final answer:
The Panama Canal saves ships traveling from New York to San Francisco approximately 8,000 miles, closest to answer B) 5,000 miles.
Step-by-step explanation:
The Panama Canal offers a significant mileage savings for ships traveling from New York to San Francisco. According to historical data, the canal allows a ship to avoid the long and treacherous journey around South America, particularly around Cape Horn. By using the Panama Canal, ships can save approximately 8,000 miles, which is closest to answer B) 5,000 miles even though the actual number is not one of the options provided. This is an example of how engineering achievements like the Panama Canal can have a profound impact on global transportation and trade.