When the Americans swept in with their Search and Destroy operations the Communists quickly leaned they could not stand up to the US firepower, and these regular troops were forced to flee the country and take sanctuary across the borders in Laos and Cambodia.

"Results": [
    {
        "TypeName": "LOC",
        "Text": "US",
        "Start": 130,
        "End": 132
    },
    {
        "TypeName": "LOC",
        "Text": "Laos",
        "Start": 242,
        "End": 246
    },
    {
        "TypeName": "LOC",
        "Text": "Cambodia",
        "Start": 251,
        "End": 259
    }
]