This is the Japan of 1945 and 2021, what changes can you see in the image?​

Here is your answer mate

In 1945, Japan was affected by the Nuclear disaster due to US's Attack.Japan was suffering from severe food issue and essential things.The literacy rate was very lowIn 1945,Japan was a very poor economy .The poverty arises there.

After then Japan tried to change

In 2021,Japan is the third biggest economy concluding of 4.8trillion dollars .In 2021,Japan is the invention hub of the world.It has about 100%literacy rate .Japan is now a developed country .Poverty doesnot exist there now.