13. To attain this We have already remarked that a great union is necessary, and if it is to be realized, it is indispensable that all preoccupation capable of diminishing its strength and efficacy must be abandoned. Here We intend alluding principally to the political differences among the French in regard to the actual republic-a question We would treat with the clearness which the gravity of the subject demands, beginning with the principles and descending thence to practical results.