Question

heya mates..........
what is the significance of world war-2...??
explain.​

Answer 1

Answer:

World War II was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six  years until the Allies defeated Nazi Germany and Japan in 1945.

Answer 2

Answer:

$\huge\boxed{World \: War \: II}$

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945. The vast majority of the world's countries—including all the great powers—eventually formed two opposing military alliances: the Allies and the Axis.