Final answer:
The Panama Canal is a man-made structure that connects the Atlantic and Pacific Oceans through a canal crossing the nation of Panama. It is an important waterway for international trade.
Step-by-step explanation:
The Panama Canal is a man-made structure that connects the Atlantic and Pacific Oceans through a canal crossing the nation of Panama. The canal was completed in 1914 and spans a distance of about fifty miles. It is an important waterway for international trade, allowing ships to avoid the longer and more treacherous journey around the southern tip of South America.