Answer: Global change as a result of war.
Step-by-step explanation:
In addition to the destruction of biblical proportions, sacrifices, and material damage, World War I brought with it changes globally. As a large number of men were mobilized into the war, women have replaced their role in the industry. This contributed to the emancipation of women.
There was also a sharp rise in nationalism in the world, as well as the birth of communism. There was also a new world order after the peace in Versailles. America has begun to grow into the most significant power in the world. The worst was Germany.