Explanation:

 The edicts of Ashoka are the first physical evidence of Buddhism and how it was spread during hisregion.

• These edicts were deciphered by the British archaeologist and historian James Prinsep.
• The edicts are divided into Pillar Edicts (total 7), Major Rock Edicts(total 14) and 2 separate ones found in Odisha(Kalinga), Minor Rock Edicts, the queen’s Edict, Barabar Caves inscriptions and the Kandahar bilingual inscription.
• Sanchi hosts a minor rock edict of Ashokan Inscription, other locations have major rock edicts.
• Girnar - It is situated one mile to the east of Junagarh in Kathiawar. That it was a site of immense importance is amply proved by the number of major inscriptions to be found there, including apart from those of Asoka, those of Rudradaman and Skandagupta. It is mentioned as Girinagar in the Brihat Samhita. By tradition, the mountain is regarded as sacred both to Brahmans and Jainas.
• Sopara - It is situated in the Thane district of Bombay and is the site of an ancient sea-port and town, which no doubt was of importance during the reign of Asoka. It has been identified with the Soupara of Ptolemy, described as a commercial centre.
• Kandahar - the site of the inscription is Shar-i-Quan, the old city of Kandahar in southern Afghanistan. It grew to importance with the establishment of trade between the Hellenic world and north-west India after the campaigns of Alexander had established contact.
• Option (c) is the correct answer.