America is facing serious challenge to its global hegemony from two other superpowers, Russia and China. Against Russia, USA has the world's most powerful military alliance of NATO firmly in its hands. This is exemplified by USA's proxy war with Russia in Ukraine from February 2022 where USA has got almost all NATO countries in to support Ukraine in its war with Russia. Significantly, NATO includes almost all European countries, USA, Canada and others. But, what about USA's flight against China? Has USA built a great wall to contain China? What allies and vassals can USA count on to contain China?