Eastern Coast - weather is best there (also major cities are in that area so it makes sense for that part to have the most pull factors)
Simple machines and man power. Egyptians used complex combinations of simple machines such as pulleys and levers to hoist heavy limestone onto each other. Of course, this also required a good deal of physical strength.
Hope I helped!
<span>A higher literacy rate will have a positive effect on a nation's standard of living.</span>