(A) ** Panama
(B) The United States
EXPLANATIONS BELOW
Concept note-1: -After a period of joint American–Panamanian control, the canal was taken over by the Panamanian government in 1999. It is now managed and operated by the government-owned Panama Canal Authority.
Concept note-2: -A1: The Panama Canal has been fully owned and administered by the Republic of Panama since the transfer of management from the joint U.S.-Panamanian Panama Canal Commission in 1999.
Concept note-3: -The second, called The Panama Canal Treaty, stated that the Panama Canal Zone would cease to exist on October 1, 1979, and the Canal itself would be turned over to the Panamanians on December 31, 1999.
Concept note-4: -Theodore Roosevelt, negotiated the Hay–Bunau-Varilla Treaty, giving the U.S. control of the Canal Zone. Work under U.S. supervision began in 1904, and the Panama Canal was completed in 1914. Tens of thousands of people, mostly labourers from Barbados, Martinique, and Guadeloupe, worked on the project.
Concept note-5: -The Panamanian government owns the Panama Canal. Panama has held control over the canal in Central America since the end of 1999. Before that, the United States maintained the canal, although France had worked on the canal project as well.