<prompt> Bhala ukuqhubeka kwalesi sigaba - Ukuvukela kukaPeter Delyan ngo-1040-41  <response>: , owazibeka yena uqobo ngokuthi uCzar uPeter waseBulgaria, wenza okunye ukuhlasela kweByzantium ngokumelene neDuklja okungenzeka njengoba abaseByzantium manje base behlala ngokuqhubekela phambili kweBulgaria. 