"If the worst-case scenario happens and an American president comes to the White House who distances himself from Europe and NATO, then we will face challenges that are now difficult to imagine," he said in an interview with Welt am Sonntag.
Pistorius added that the next American leader will also have to pay more attention to the Indo-Pacific region.
According to Russia's permanent representative to the UN, Vasily Nebenzia, up to 150 US tactical nuclear weapons have already been deployed in Europe.
The Minister of Foreign Affairs and Foreign Economic Relations of Hungary, Peter Szijjártó, said that Europe, due to erroneous anti-Russian sanctions, overpays seven times for gas (compared to the United States) and three times for electricity (compared to China).