China is the biggest foreign patron of Cambodia, where Mr. Xi concluded a tour of Southeast Asia. But the region also needs to curry favor with President Trump.

Chinese President Xi Jinping has arrive in Cambodia for a two-day state visit that serves as an opportunity to further strengthen already robust relations.

China’s President Xi Jinping has arrived in Cambodia on the last leg of his three-country tour of Southeast Asia, which has seen him double down on earlier calls to oppose hegemonism and resist protectionism in the face of rising trade frictions with the US.