JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script src="http://alasql.org/console/alasql.min.js"></script>
<div id="map-canvas"></div>

CSS

html, body, #map-canvas {
    height: 100%;
    margin: 0px;
    padding: 0px
}

JavaScript

function initialize() {
    var cityCircle;

            alasql('SELECT * FROM CSV("https://cdn.rawgit.com/albertyw/avenews/master/old/data/average-latitude-longitude-countries.csv",{headers:true}) WHERE Latitude BETWEEN 0 AND 25', [], function(country){
        var mapOptions = { zoom : 1, center : new google.maps.LatLng(40, 0),
            mapTypeId : google.maps.MapTypeId.ROADMAP
        };
        var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
        for (i = 0; i < country.length; i++) {
            var opts = {
                strokeColor : '#000000',
                fillColor : ["red","green","blue","brown"][i%4],
                fillOpacity : 0.35,
                map : map,
                center : new google.maps.LatLng(country[i].Latitude,country[i].Longitude),
                radius : 100000
            };
            new google.maps.Circle(opts);
        }
    });
        
        
    }
//    google.maps.event.addDomListener(window, 'load', initialize);
initialize();