Complex sentence: On the other hand, historian Klaus Jürgen Müller notes that Dollmann's orders were imbued with a discernible Nazi-impetus and therefore believes that he had a stronger inclination to National Socialism than otherwise presumed.
Split into simpler sentences: On the other hand, historian Klaus Jürgen Müller notes that Dollmann's orders were imbued with a discernible Nazi impetus. He therefore believes that Dollmann had a stronger inclination to National Socialism than otherwise presumed.