<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngekhulu leminyaka ngemva kokufa kuka-Osman I, ukubusa kwama - Ottoman kwaqala ukwanda e - Anatolia naseBalkan. Izingxabano zokuqala zaqala ngesikhathi sezimpi zaseByzantine-Ottoman, ezaqhutshwa e-Anatolia ngasekupheleni kwekhulu le-13 ngaphambi kokungena eYurophu maphakathi nekhulu le-14, zilandelwa yizimpi zaseBulgaria-Ottoman  <response>: nezimpi zaseSerbia ne-Ottoman ezaqalwa phakathi nekhulu le-14. Ingxenye enkulu yalesi sikhathi yayibonakaliswa ukwanda kwama - Ottoman emazweni aseBalkan. Indodana ka-Osman, u-Orhan, yathatha idolobha laseBursa elisenyakatho-ntshonalanga ye-Anatolia ngo-1326, okwenza kwaba inhloko-dolobha entsha yombuso wase-Ottoman futhi kwathatha indawo yokulawula kwaseByzantium esifundeni. Idolobha eliyitheku elibalulekile laseThessaloniki lathunjwa kwabaseVenice ngo-1387 futhi lacekelwa phansi. Ukunqoba kwama - Ottoman eKosovo ngo - 1389 kwaphawula ukuphela kwamandla aseSerbia kule ndawo, kwavula indlela yokwanda kwama - Ottoman eYurophu. Impi yaseNicopolis ngo-1396 eyayenzelwa iBulgaria Tsardom yaseVidin, eyayibhekwa kabanzi njengempi yokugcina enkulu yeNkathi Ephakathi, yahluleka ukumisa ukuqhubekela phambili kwama-Ottoman aseTurkey anqoba. 