It's becasue human populations are concentrated in areas that are lacking proper resources.
Answer:
It was mainly due to the lack of knowledge on the type of attack that was launched against them. But also the advanced weaponry including the long swords that were used that were as strong and sharp as possible.
Explanation:
This was due to the dedication the Spanish had to specialisation of different aspects like weaponry and the confusion that the Incas felt during this as a result of the surprise attack that was launched by the Spanish conquistadors.
Natural resources made people be able to live their life and it all had to do with their geography
Islam arrived in the inland of Indian subcontinent in the 7th century when the Arabs conquered Sindh and later arrived in North India in the 12th century via the Ghurids conquest