At a monthly press briefing in Beijing, China Defense Ministry spokesman Tan Kefei blamed the U.S. Thursday for "serious difficulties" in the bilateral relationship, highlighting the Biden administration's strategy of "comprehensive containment" against the country to maintain dominance in the region, according to Newsweek . Kefei said the U.S., under the guise of freedom of navigation, in the South China Sea, displays its power by sailing warships and is creating instability in the region. Kefei said: "At present, relations between China, the United States, and the two militaries face serious difficulties at an important juncture. The root cause is the…