Which country initially began the construction of the Panama Canal in the early 20th century? United States France United Kingdom Spain None In which year did the Panama Canal officially open for maritime traffic? 1914 1921 1930 1945 None What type of locks does the Panama Canal use to raise and lower water levels for ships? Hydraulic locks Gravity locks Electric locks Miter locks None Which body of water does the Panama Canal primarily connect? Atlantic Ocean and Mediterranean Sea Pacific Ocean and Indian Ocean Caribbean Sea and Gulf of Mexico Atlantic Ocean and Pacific Ocean None What treaty between the United States and Panama granted control of the Panama Canal to Panama? Hay-Bunau-Varilla Treaty Torrijos-Carter Treaties Tordesillas Treaty Clayton-Bulwer Treaty None Time's up
