World has to end for complete and perfect justice

World has to end for complete and perfect justice

The world has to come to an end for complete and perfect justice to be rendered to human beings.
For example: I plant a tree and the tree benefits people by giving fruits and shade. You would agree that I need to be rewarded for it. Let us say I plant the tree and I die a few years after I planted it. The tree continues to live for some 200 years. If I am re-born before those 200 years, I am not rewarded fully for planting that tree as the effects of that good deed still continue. So I will have to wait for 200 years till the tree dies to be fully rewarded for planting that tree.
This is the case with every good deed you initiate. Imagine starting an orphanage. You can be given the full reward only after the orphanage ceases to exist.
This is the case with a bad deed you do as well. For example: Take the example of the atom bomb dropped in Hiroshima and Nagasaki during SECOND WORLD WAR in 1945. Doctors say that the consequences of that bomb are still seen today. As long as the consequences exist, the people who were behind the dropping of the bomb can never be fully punished. They have to be brought into complete account for all the damage they caused.
To put it in a nutshell, unless the world ceases to exist, effects of many good and bad deeds will not cease to exist. So logically, the world has to come to an end for complete and perfect justice to be rendered.
This aspect of justice is totally missing in the concept of birth-rebirth.