More than 100 years after the construction of the engineering marvel that linked the Atlantic and Pacific oceans — and 25 years after the canal was returned to Panama by the US — the Panama Canal faces renewed intimidation from US President Donald Trump.

The answer is simple: there is no greater or more idealistic symbol of U.S. power in the world than the Panama Canal. As Trump seeks a way to enhance the country's power in the world, leaning on imagery regarding the Panama Canal provides just the right message.

U.S. President Donald Trump’s insistence that he wants to have the Panama Canal back under U.S. control is feeding nationalist sentiment and worry in Panama, home to the critical trade route and a country familiar with U.