China has ability to try to 'disturb' rules-based order which US, its allies strongly defend: Blinken Blinken also told lawmakers during a Congressional hearing on Tuesday that China is both the most consequential and most complicated relationship the US has. Share Via Email | A+A A- By PTI WASHINGTON: China is the single nation that militarily, economically, diplomatically and politically has the ability to try to "disturb" the rules-based order that America, its friends and allies strongly defend, US Secretary of State Antony Blinken has said. Blinken also told lawmakers during a Congressional hearing on Tuesday that China is both the most consequential and most complicated relationship the US has.