Complex sentence: The German public proved to be too recalcitrant towards imposing consequences upon their military leaders, with many areas of society doing what it could to influence the sentences of those on trial--as none of the defendants remained in prison after 1957.
Split into simpler sentences: The German public proved to be too recalcitrant towards the idea of imposing consequences upon their military leaders. With various areas of German society doing what it could to influence the sentences of those on trial, none of the defendants remained in prison after 1957.