Why won't a function within a "namespace" JavaScript file populate a dropdownlist?

I have 2 external JavaScript files, one is set up like a "namespace", and the other file calls it.

Here is how my "namespace" looks like

var GlobalScript = {
    GetAllStates: function () {
        $.ajax({
            type: "GET",
            url: URLParam.GetStatesForDropdown,
            contentType: "application/json; charset=utf-8",
            success: function (data, textStatus, jqXHR) {
                ShowStates(data);
            }
        })

    },
    ShowStates: function (stateData) {
        $("#acVendorState").kendoDropDownList({
            dataSource: stateData,
            dataTextField: "StateName",
            dataValueField: "StateID",
            animation: false,
            optionLabel: {
                StateName: "-- Select State --"
            }
        });
    }
}

Here is the script that is calling the GetAllStates() function,

$(document).ready(function () {
    GlobalScript.GetAllStates();
});

Now this doesn't work, however, if make the "namespace" file look like this...

function ShowStates(stateData){
$("#acVendorState").kendoDropDownList({
        dataSource: stateData,
        dataTextField: "StateName",
        dataValueField: "StateID",
        animation: false,
        optionLabel: {
            StateName: "-- Select State --"
        }
    });
}

var GlobalScript = {
        GetAllStates: function () {
            $.ajax({
                type: "GET",
                url: URLParam.GetStatesForDropdown,
                contentType: "application/json; charset=utf-8",
                success: function (data, textStatus, jqXHR) {
                    ShowStates(data);
                }
            })      
        }
    }

Then my view that has the dropdownlist will populate.

My question is how to make it work the way I have it the first way because if I do it the second way then its kind of pointless (at least to the best of my knowledge) to do it the way I am doing it.

ShowStates isn't a variable. It is a property of the object assigned to GlobalScript.

ShowStates(data); should be GlobalScript.ShowStates(data);