In the past, it is considered as a legal foundation that resulted in the current law and future use. Although it has been modified slightly, but it can be modified to change the current world transformation.
Laws in the past is the root cause. Laws in the current and subsequent use. Even with the Modify slightly But if the change is made to the substance. Changes to the current world
The law in the past considered to be the foundation that cause. The current law and constantly, even to modify a little, but changes to this it can match. Change of transforming the world at present.