Answer:
It influences the behavior of groups
The last king, by the name of Tarquinius the proud, made the citizens furious and caused them to rebel and destroy him.
Can I guess?
I think it would be A
People started making and using tools. These tools enabled them to start the agricultural revolution and settle around river valleys. Now, they could just live at a single place instead of running around searching for food. They could grow their own food, and still go and hunt when necessary.