Question

what reason did buddha forward in support of the Vajjis prosperity​

Answer 1

Answer:

The Magadha-Vajji War was a conflict between the Haryanka dynasty of Magadha and the neighbouring Vajji confederacy which was led by the Licchavis. The conflict is remembered in both Buddhist and Jain traditions. The conflict ended in defeat for the Vajji confederacy and the Magadhans annexing their territory.