Complex sentence: The Greater Middle East is a political term, introduced in the early 2000s, denoting a set of contiguously connected countries stretching from Morocco in the west all the way to the western edge of China in the east.
Split into simpler sentences: The Greater Middle East is a political term that denotes a set of contiguously connected countries. The region stretches from Morocco in the west all the way to the western edge of China in the east.