Darius's highly regarded commander Megabazus was responsible to fulfill the conquers in the Balkans.

"Results": [
    {
        "TypeName": "PER",
        "Text": "Darius",
        "Start": 0,
        "End": 6
    },
    {
        "TypeName": "PER",
        "Text": "Megabazus",
        "Start": 35,
        "End": 44
    },
    {
        "TypeName": "LOC",
        "Text": "Balkans",
        "Start": 92,
        "End": 99
    }
]