Heydrich commented, "In occupied and unoccupied France, the registration of Jews for evacuation will in all probability proceed without great difficulty", but in the end, the great majority of French-born Jews survived. More difficulty was anticipated with Germany's allies Romania and Hungary. "In Romania the government has appointed a commissioner for Jewish affairs", Heydrich said. In fact the deportation of Romanian Jews was slow and inefficient despite a high degree of popular antisemitism. "In order to settle the question in Hungary", Heydrich said, "it will soon be necessary to force an adviser for Jewish questions onto the Hungarian government". The Hungarian regime of Miklós Horthy continued to resist German interference in its Jewish policy until the spring of 1944, when the Wehrmacht invaded Hungary. Very soon, 600,000 Jews of Hungary (and parts of Czechoslovakia, Romania, and Yugoslavia occupied by Hungary) were sent to their deaths by Eichmann, with the collaboration of Hungarian authorities.