India and China have agreed to explore demarcating their disputed border, a key move toward resolving decades-old territorial disputes as the neighbors look to recalibrate ties against the backdrop of strained India-US relations.

China — often characterized by White House officials as the arch-rival of the U.S. in trade — has been among the countries most negatively affected by Trump’s mercurial barrage of tariffs. India is currently suffering severe penalties imposed by the Trump administration due to its continued purchasing of oil from Russia.

Prime Minister Narendra Modi had been moving to align India with the United States and freeze out China. Now, efforts to rebuild ties between the Asian giants are gaining momentum.