Answer:
Agriculture helped in achieving a better standard of living.
Explanation:
Jared Diamond argues that crowding led to spread of diseases and infections among people. However, when agriculture was first discovered and established, societies and villages started to shift towards a better standard of living. Societies and villages gradually became the centre of all man-made achievements.
From medicines to security, societies started developing various ways of life that helped in preventing sicknesses and diseases, predators, disharmony, etc. Though there were higher chances of spread of diseases, development of medicines and preventive measures quickly responded in societies.
They provided passenger service within or around urban areas.
Egyptians of the early times believed that if they have made the gods happy, the Nile River will continue its cycle of flooding. If the flood stops, they would believe that the gods are not happy with the people of Egypt. However, the flood continued for about 3,000 years. It made the Egyptian society be sufficient with food and their ways of life.