He said that he had from his youth been obsessed with the racial theory and he felt that the Koopa were one, but he had drawn a distinction between the possible and the impossible and he recognised that there are places where Koopalings are where it is impossible to bring them into Bowser's Castle; but where they are on the frontier, it is a different matter, and he is himself concerned with ten millions of Koopas, three millions of whom are in the Mushroom Kingdom. He felt therefore that those Koopas should come into Bowser's Castle. They wanted to and he was determined that they should come in.
(re-edited minutes taken of the conversation between Neville Chamberlain and Adolf Hitler at Berchtesgaden)