The Biden administration will focus on four key areas in future bilateral engagement with China, National security adviser Jake Sullivan said on Tuesday. Speaking hours after a 3.5-hour virtual summit between President Joe Biden and Chinese leader Xi Jinping, Sullivan said the future of the U.S.-China relationship can best be categorized by prioritizing four “buckets” in these engagements. U.S. engagement with China will intensify at multiple levels to ensure that competition between the two powers does not veer into conflict, Sullivan said in a Brookings Institution webinar. “President Biden did raise with President Xi the need for a strategic stability set of conversations … that that needs to be guided by the leaders and led by senior empowered teams on both sides that cut across security, technology, and diplomacy,” Sullivan said. “You will see at multiple levels an intensification of the engagement to ensure that there are guardrails around this …