Deadlock example on ASP.NET MVC Controller

HomeController.cs

public class HomeController : Controller
{
  public ActionResult Index()
  {
      var jsonTask = GetJsonDeadLockAsync(new Uri("http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo"));
      //var jsonTask = GetJsonAsync(new Uri("http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo"));
      var result = jsonTask.Result.ToString(); // this here blocks the initial thread along with it's context
      return View();
  }
  
  public static async Task<JObject> GetJsonAsync(Uri uri)
  {
      using (var client = new HttpClient())
      {
          var jsonString = await client.GetStringAsync(uri).ConfigureAwait(false);
          return JObject.Parse(jsonString);
      }
  }
  
  public static async Task<JObject> GetJsonDeadLockAsync(Uri uri)
  {
      using (var client = new HttpClient())
      {
          var jsonString = await client.GetStringAsync(uri); //when returning here it waits for the context to be available. Deadlock!
          return JObject.Parse(jsonString);
      }
  }
}