They were able to plant and grow crops also hunt the animals they needed.
Alexander led his army to conquer the swat valley and the Swati villagers fled to the mountains asking for a divine protection and they believe that their Gods will protect them because the mountain is so high. In order to conquer and to prove his power Alexander build a wooden ramp to place his catapults and arrow units and also he climbed up so he could hold the star of Jupiter representing his power and greatness.
it was way bigger than most cities & had paved streets :)
Europeans didn't use maritime routes before the age of exploration because they thought that Muslims controlling Portugal and Spain made maritime routes unsafe together with the fact that they didn't have the required transportation and navigation skills to travel.
Hope this helped! :)
