The document provides an overview of revolutions and the rise of nationalism between 1900-1939. It discusses the revolutions in Russia that led to Bolshevik rule, the collapse of imperial China and rise of nationalist and communist movements, and the growth of Indian nationalism and use of nonviolent civil disobedience tactics under Gandhi to oppose British rule and push for self-government. Key figures discussed include Lenin, Stalin, Mao Zedong, and Gandhi. Political upheavals in these regions established new forms of government and laid the groundwork for independence movements.