(A) to help stabilize the Panamanian economy
(B) to improve diplomatic relations with Colombia
(C) to drain the region’s swamps so it could be developed
(D) ** to improve trade between the Atlantic and Pacific coasts
EXPLANATIONS BELOW
Concept note-1: -Americans knew they needed this to move ships from east to west quickly. If they did that, they would control power because they would control the oceans. The Canal was a geopolitical strategy to make the United States the most powerful nation on earth. Also, the economic impact was massive.
Concept note-2: -More than a century ago, the opening of the Panama Canal revolutionized international trade by making it much quicker and easier to travel between the Atlantic and Pacific Oceans.