The US bond yield has been confirmed to enter two waves of correction, and the two rounds of decline will drop more than 55% in total. Then it began to pull up violently. Even if the yield of US debt increased crazily, no one bought it. It can be inferred from this K line that in the next decade, the United States will have serious problems, possibly a war with China. The result is close to being killed together or the United States won miserably. Those who have the ability and conditions should stay away from these two countries for their families and themselves.