Complex sentence: Hitler officially denied any involvement in the coup d'état, nevertheless he continued to destabilize the Austrian government system by secretly supporting Nazi sympathizers like Arthur Seyss-Inquart and Edmund Glaise-Horstenau.
Split into simpler sentences: Hitler officially denied any involvement in the coup d'état. Nevertheless he continued to destabilize the Austrian government system by secretly supporting Nazi sympathizers like Arthur Seyss-Inquart and Edmund Glaise-Horstenau.