public async Task <IHttpActionResult> PutNation(string id, Nation nation)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != nation.ID)
            {
                return(BadRequest());
            }

            try
            {
                await _SVC.UpdateNation(nation);
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!NationExists(nation.ID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
 async public Task <ActionResult> Update(Nation item)
 {
     return(Content(await _Service.UpdateNation(item)));
 }