Complex sentence: As Liu Bei fled to Zigui (秭归), the Eastern Wu troops soon followed and the demoralized Shu troops were not able to hold their ground and Liu Bei was forced to continue his flight.
Split into simpler sentences: As Liu Bei fled to Zigui (秭归), the Eastern Wu troops soon followed. The demoralized Shu troops were not able to hold their ground, and Liu Bei was forced to continue his flight.