The United States is concerned about the deepening dialogue between the Russian Federation and North Korea, particularly in the military sphere, according to US State Department spokesperson Matthew Miller. “We continue to be incredibly concerned by the expanding security relationship between North Korea and Russia,” he said. Moreover, the US foreign affairs representative clarified that the concerns involve the support that the Russian Federation continues to receive from North Korea, which it uses in its ongoing war against Ukraine. Miller also added that there are additional concerns about …