Mud bricks were the basic and most common sumerian building material
The answer to this question is <span>an elite-mass dichotomy system
</span><span>in an elite-mass dichotomy system, the power that could influence all the regulations that imposed within a civilization falls to the hand only to the selected few. This type of system increase the chance of abuse of power and make the majority people felt unrepresented.</span>
Aids in Africa is considered a pandemic .
It’s was very hard for them. They spent there life in caves,wrap in animal skin and tree leaves over their body and hunt animals for food. With time they discovered many good things like fire,tools,farming etc. that made there life better than earlier. But these changes in early human’s life had taken a long time. Hope that helped!❤️