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 canal, which was once owned by the United States but was handed over to Panama decades ago, gives vessels a much shorter route between the Caribbean Sea and Pacific Ocean. While the two countries could end up resolving the issue,

The Panamanian government formally raised concerns with the United Nations over President Trump’s threats to retake the Panama Canal, noting any threat of force would violate rules. In a letter to U.N.