Government takes program underground.[31] Clergy were drafted into the military Church publications were censored or banned Services and functions restricted or banned 22 March 1942, the German Catholic Bishops issued a pastoral letter on "The Struggle against Christianity and the Church":[32] Inspired by Cardinal Clemens August Graf von Galen, the White Rose group becomes active in 1942; group members are arrested by the Gestapo and executed in 1943.[33] Nazi assault on churches and "Christian conscience" motivates many of the July Plot participants in failed 1944 coup against Hitler.[34] Leading clerical resistors Dietrich Bonhoeffer and Alfred Delp are implicated.