What is the most accurate conclusion someone can draw from this graph?

What was the overall impact of eli whitneys introduction of interchangeable parts?

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.

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility