What is the purpose of this bar graph?

to illustrate the length of the Great Depression in the United States and Germany
to compare the unemployment rates in the United States and Germany during the Great Depression
to illustrate the total number of unemployed persons worldwide during the Great Depression
to compare the economic costs of the Great Depression in the United States and Germany

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.