1) The document introduces the period of New Imperialism from 1860-1914 when European powers greatly expanded their colonial empires and influence worldwide.
2) Major factors driving imperial expansion included the demands of industrialized economies for new markets, raw materials, and agricultural lands, as well as growing nationalism, militarism, and the belief in European racial and cultural superiority.
3) European powers used new industrial and military technologies to establish greater control over their colonies and project power globally through naval fleets and overseas bases.