<select name="state" required id="state" class="form-control">
    <option value="0">
        Select state
    </option>
    @if($states !== null)
        @foreach ($states as $state)
            <option value="{{$state}}">{!! $state !!}</option>
        @endforeach

    @else
        <option value="0">No state for Selected Country</option>
    @endif

</select>