Alexander army wasted precious time and lives in afghanistan and faced contineous guerrala war, he wrote to his mother that here every man is alexander.
Remember that when i say Afghan, i mean pakhtun by it. The present non-pakhtun areas of Afghanistan, the areas north of hindu kush were captured by ahamad shah abdali from central asia and iran. In babur nama babur mentions afghanistan as pashtun belt and writes that pashtuns are turbulent people with constant uprisings. He writes that he has to massacres pashtuns at large scale as they stubborn people and never accept rule...
Genghis khan faced defeat from jalaludin only one time, in afghanistan when half of his army comprised of tribal pakhtuns of mountains. After successful victory against mongols, quarrel erupted between turks and tribal pakhtuns over spoils of war...pakhtuns left jalaludin and went to their mountains...in those times pakhtuns were entirely living in mountains and mongols simply avoided them...later pashtun king of delhi alaudin khilji defeated three invasions of chaughtai khan mongol.
Safvid Iranians tried to forcibly convert pashtuns, hotaki tribe not only defeated them but proceeded and conquered entire iran and ruled over them.
Now tell me achievements of your balochs?