Grand Trunk Road; formerly 'Royal Boulevard' Shahrah-e-Azam, standardised rupee/rลซpya 1/4 of the world today uses, early postal delivery 'sarai' system, saviour of South Asian muslims in 1761, preservation of a Sunni southern central asia from the Safavids.
In the expanse of their historical rule, what achievements of note can Afghan-led empires lay claim to, and how do they compare to those of others ?
What is their overall contribution to civilisation and humanity?