Complex sentence: On 5 October, Marwitz issued orders for the cavalry to advance westwards to Abbeville on the Channel coast and cut the railways leading south and at the end of 6 October, Falkenhayn terminated attempts by the 2nd Army to break through in Picardy.
Split into simpler sentences: On 5 October, Marwitz issued orders for the cavalry to advance westwards to Abbeville on the Channel coast and cut the railways leading south. At the end of 6 October, Falkenhayn terminated attempts by the 2nd Army to break through in Picardy.