BEIJING — China’s foreign minister said Thursday that the United States was “obsessed” with suppressing China, potentially jeopardizing efforts to strengthen relations between the world’s two biggest economies.Relations fell to their lowest point in decades last year amid disputes over tech, trade, human rights, the status of Taiwan, an alleged Chinese spy balloon shot down over the U.S., and Beijing’s position on wars in Ukraine and the Middle East. Foreign Minister Wang Yi said there had been “some improvements” in U.S.-China relations since Presidents Joe Biden and Xi…