var territories = ee.FeatureCollection("projects/sat-io/open-datasets/native-land/indigenousTerritories"),
    languages = ee.FeatureCollection("projects/sat-io/open-datasets/native-land/indigenousLanguages"),
    treaties = ee.FeatureCollection("projects/sat-io/open-datasets/native-land/indigenousTreaties");
//Indigenous Territories from native-land.ca

Map.addLayer(territories,{'color':'red'},'Territories',false)

var getarea = function(feature) {
  var keepProperties = ['id', 'FrenchDesc', 'FrenchName', 'Name','Slug','color','descriptio'];
  var geom_area = ee.Feature(feature).area().divide(1000000);
  return feature.set('area',geom_area).copyProperties(feature, keepProperties)
}

var terr= territories.map(getarea)
print(terr.first())

// Create an empty image into which to paint the features, cast to byte.
var empty = ee.Image().byte();

// Paint the edges with different colors, display.
var outlines = empty.paint({
  featureCollection: terr,
  color: 'area',
  width: 4
});

var palette = ['#a50026','#d73027','#f46d43','#fdae61','#fee090','#ffffbf','#e0f3f8','#abd9e9','#74add1','#4575b4','#313695'];
Map.addLayer(outlines, {palette: palette,min:3.37,max:38921}, 'Indigenous Territories');