Who was the first caliph after the death of Muhammad? ʿAbbās I
Abū Bakr
Mehmed II
Süleyman I

Because he is a selfish dude

C) germany is the anwser

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada

Advances in learning and technology made long ocean voyages possible