The rise of Nazism in Germany did not go unnoticed in the Netherlands, and there was growing concern over the possibility of armed conflict. However, some say the threat of Nazi aggression was not fully acknowledged by the government of the time. An often mentioned example is a particular statement by prime minister Hendrik Colijn at the end of his radio speech on the occupation of the Rhineland. He stressed that citizens could sleep safely, because there was no reason for concern.