Complex sentence: Kate follows Clarke as he transports the captive Indian to his base at Fort Wingate; as Cooper and McCoy listen in further, they learn that another attack against the settler trek is imminent in order to silence all witnesses.
Split into simpler sentences: Kate follows Clarke as he transports the captive Indian to his base at Fort Wingate. As Cooper and McCoy listen in further, they learn that another attack against the settler trek is imminent in order to silence all witnesses.