Is it true that the US hegemony is in decline or not

Is it true that the US hegemony is in decline? https://policyoptions.irpp.org/magazines/march-2021/joe-bidens-bloc-wars-and-the-next-chapter-in-the-america-first-doctrine/ Yes,it is true that us hegemony has been declined. Main allies like iraq and other countries toppled by america and one who presided there ,is not believe on america And his allies.america lost his main allies pakistan ,pakistan sat on lap on russia and china.many other things happens when american remained on keep silent entire muslim world lost trust on america specially muslim people,people saw america condemned dictatorship but american relation remained very best with dictator,so no one person do trust america and his allies.nuclear deal with iran and 5+1but without any reason america quit from nuclear deal http://treaty.so American lost credibility,one another things happens with united kingdom when iran seized u.k. ship in response of iranian ship seized by u.k. terrorist organistation daesh I.S.I.S. was created and supported by america and allies moreover military training expenses ,heavy equippment and other man power eliminated by russia iraq iran syria and hizbollah so shocked for america and his allies.now america is acquiring befetting reply from his foe around the world whether iraq,whether iran ,whether afghanistan ,whether ukrain every where america is feeling defeat.any mistake by america about war can lead him downgrade soon.