Answer:
Agricultural surplus resulted in growth in population.
Step-by-step explanation:
When humans managed started to farm crops a lot of things changed in their lives. The nomadic lifestyle was changed with a sedentary lifestyle, dangers, while hunting was eliminated, living in large groups meant much bigger safety from predators, food was always available, living conditions improved.
All of these changes and improvements in the lives of humans resulted in population growth. With people living longer they were able to have more children. Since food was always available there wasn't a problem to feed larger families. Being relatively from the dangers of nature meant that there were much fewer deaths caused by predator attacks or natural hazards. All in all, the conditions were improved in every aspect and it enabled people to multiply more and have a growing population.