Original sentence: Pashtuns are also an important community in Pakistan, where they are the second-largest ethnic group.Pashtuns have rarely been politically united
Edited sentence: Modern Pashtuns have been prominent in the rebuilding of Afghanistan, where they are the largest ethnic group, and are an important community in Pakistan, where they are the second-largest ethnic group.Pashtun martial prowess has been renowned since Alexander the Great's invasion in the 4th century BC.Pashtuns have survived a turbulent history over several centuries, during which they have rarely been politically united