They are still new arrivals in Europe for the most part so sending them back is really sending them home.

In the Americas people of many different races have been part of these civilizations from the beginning. From Panama, to Uruguay, Louisiana and Texas it's never been all one race in these places, nor will it ever be. That doesn't mean any of these countries wants to be flooded with new immigrants, the point is that the "send this race back" argument here is ridiculous.