How did world war i change the balance of economic power in the world?

What is the meaning of the statement that all is vanity or meaningless? use full sentences

As the tide of the seven years’ war (french and indian war) turned in britain’s favor, the iroquois

Which of the following statements occurred last in the official overthrow of the russian provisional government in october of 1917? the bolsheviks campaigned for support of their political platform. the bolsheviks organized an assault and stormed the winter palace. the bolsheviks and trotsky’s militia seized key targets in petrograd. vladimir lenin established himself as the leader of the bolsheviks. i know the answers a and d are inccorect.