Question

The _______________ lasted for 1940-45 years and led to many changes in the world. ​

Answer 1

$\huge \colorbox{red}{World War II}$

Answer 2

Answer:

The answer to ur question is

The World War II lasted for 1940-45 years and led to many changes in the world. 

Explanation:

World War II or the Second World War, often abbreviated as WWII or WW2.

Hope it helps....