Complex sentence: His talent and performance during battles helped him to become a major general of Liu Bei's army in a short period of time and was later named Administrator of Hanzhong (漢中), This post had previously been held by Lu Su.
Split into simpler sentences: His talent and performance during battles helped him to become a major general of Liu Bei's army in a short period of time. He was later named Administrator of Hanzhong (漢中) This post had previously been held by Lu Su.