They became stronger and more fortified with the use of tools. They could now chisel stone and construct shelters from stone.
From the information I found , the longest Chinese dynasty was the Zhou dynasty which lasted from 110- 256 BC
I hope this helps! :)
I’m pretty sure the answer is D :)
<em>Utilitarianism</em> is a philosophical standard by which utility for the greater good is promoted. This means that while the individual's status is degraded, it is acceptable so long as the net benefit or utility gained from the action is sufficiently beneficial for the rest of society/greater good.