Complex sentence: At Adairsville, Fuller got the locomotive "Texas" and chased the "General", while all of this was happening, Andrews Raider's was cutting the telegraph wires so no transmissions can go through to Chattanooga.
Split into simpler sentences: At Adairsville, Fuller got the locomotive "Texas" and chased the "General". While all of this was happening, Andrew's Raiders were cutting the telegraph wires so no transmissions can go through to Chattanooga.