USA HISTORY

Detailed explanation-1: -The First World War destroyed empires, created numerous new nation-states, encouraged independence movements in Europe’s colonies, forced the United States to become a world power and led directly to Soviet communism and the rise of Hitler.

Detailed explanation-2: -World War I was one of the great watersheds of 20th-century geopolitical history. It led to the fall of four great imperial dynasties (in Germany, Russia, Austria-Hungary, and Turkey), resulted in the Bolshevik Revolution in Russia, and, in its destabilization of European society, laid the groundwork for World War II.

Detailed explanation-3: -(i) In society, soldiers were ranked higher than civilians. Trench life of the soldiers was glorified by the media. (ii) Politicians and publicists laid great stress on the need for men to be aggressive and masculine. (iii) Aggressive war propaganda and national honour occupied centre stage in the public sphere.

Detailed explanation-4: -After World War I, five new nation states were formed on the western fringes of the disintegrating Russian Empire: Finland, Estonia, Latvia, Lithuania, and Poland.