Approximately when did the electronic community make its debut into society?

The correct answer would be the 1990s. It was approximately in the 1990s when the electronic community makes its debut into the society. The electronic community was composed of electronic devices that made the human's life easier and better. 

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.