<span>3. digging irrigation canals.
Sumerians lived in present day Iraq which is mostly desert. Being arid with periods of rain, the region of Sumeria was difficult to cultivate crops. The Sumerians used a system of canals and gates to create watered plains with flooding and then closed them off during growing seasons. </span>
Sahara.<span>Namib.</span><span>The Kalahari Desert.</span><span>Thar Desert.</span><span>Gobi Desert.</span>
Answer: What was once a continent of 38 million people almost doubled to 74 million people. This aided the speed with which the disease spread. The large population growth, especially in cities, as well as the lack of sanitation, created the perfect breeding ground for the sickness.
Explanation: Give me the brainiest.
Answer:
Explanation:
Of course females.
Poor men are also included