This is a study of the open spaces in which peasants' aprising are rasied in the feudal age of Edo in order to know the character of some open spaces as Square (the first report).
In chapter 1, it is pointed out that the peasants' uprising in the feudal age of Edo is firmly based on the Agrargemeinde, and therefore, the places in and by which the members ofthe Agrargemein wesen are able to concentrate physically and Spiritually will be needed.
Some such places corresponding to the introduction to the finale of peasants' uprising, are studied in chapter 2.
