Question

q.1) " I'd like to teach the world to sing . i perfect harmony. a)the speaker say that he want the world to sing. what does he really mean. b) what do you mean by perfect harmony ​

Answer 1

☆☆ World War I was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all the great powers—forming two opposing military alliances: the Allies and the Axis.☆☆