Final answer:
The Panama Canal is a historical achievement connecting the Atlantic and Pacific Oceans.
Step-by-step explanation:
The subject of this question is History. The question pertains to the construction and opening of the Panama Canal in 1914. The canal was an artificial waterway that cut through the Isthmus of Panama, connecting the Atlantic and Pacific Oceans. It was built by the United States between 1904 and 1914.