Dietrich Bonhoeffer’s American friends invited him to the States in 1939 to escape the political climate in Germany.  From the very beginning, Bonhoeffer struggled over his decision to leave Germany.  Mary Bosanquet writes in The Life and Death of Dietrich Bonhoeffer

On June 4th Bonhoeffer left Germany…In the next few weeks a hard an far-reaching decision was to be made.  Should he remain in the States , as his American friends confidently expected him to do, or should he return home?  As the weeks went by it became increasingly plain that if he was to return at all, he must return immediately, since war in Europe was manifestly imminent…(208).