Central News Agency (CNA North Dakota Medora, July 1 -- Reuters, NBC News) U.S. President Donald Trump, attending the unveiling ceremony for the Theodore Roosevelt Presidential Library today, mentioned the Panama Canal, which was spearheaded by former President Theodore Roosevelt, and stated that the United States will not allow China to take over the Panama Canal. According to reports from foreign media including Reuters and NBC News, Trump visited Medora, North Dakota today to attend the unveiling ceremony for the Theodore Roosevelt Presidential Library. In his speech, he called Theodore Roosevelt "a man I have long admired" and mentioned the Panama Canal, which was spearheaded by Theodore Roosevelt and opened in 1914. This vital waterway was later transferred to Panama on December 31, 1999, according to a treaty signed by then-U.S. President Jimmy Carter in 1977. Trump stated today that the Panama Canal had been very successful from day one, "but we gave it away." He said the canal was "the most expensive thing we ever built, and the most profitable thing we ever built... and we gave it away." He added that the first thing the recipient did after receiving it was "raise the ship tolls 4 times. And they didn't lose a single ship. Then they raised them two more times, and they didn't lose a single ship. And they've just been making a fortune over there all these years." He continued, stating that now, "China is trying to take over the Panama Canal, and we will never let that happen." Trump acknowledged that this statement was not in his prepared remarks, "because I don't really have prepared remarks." He then revealed that he had discussed the Panama Canal with an artificial intelligence (AI) hologram of Theodore Roosevelt in the new library, asking, "What do you think about the Panama Canal? Was that your greatest achievement?" According to The Independent, the AI version of Theodore Roosevelt responded to Trump's question by saying the Panama Canal was "one of my