Irrigation of crops led to salinization of the soil, Sumer was located on a flat plain that provided no natural barriers to invasion, and the land became too swampy to grow adequate crops.
They were still called architects. Freemason is a secret society.
"<span>because the trend of Chinese immigrants to large urban cities harmed the industrialization of the US economy" is the best option but there were wavering levels of truth to this. </span>
Question 8 - Although it remains a serious issue, poverty results in very few deaths worldwide
The poverty is one of the biggest problems in the world. It is present pretty much everywhere in the world, though the highest poverty rates by far are in the less developed countries. The people in this countries are so poor that they often don't have food and water, yet alone to be able to pay for medical care. This often results in death from starvation, lack of water, of from deadly diseases. Tens of millions of people each year die because of poverty.
Question 9 - AIDS
The advancements in the medical field have contributed to control of some diseases that were deadly in the past, or total elimination of them. But the medicine has limited power, and it is not almighty, and one of the disease that it can not cure, but only partially regulate is the AIDS. The AIDS is a relatively new disease, starting off less than a century ago. It spread out very quickly though, as one of the easiest ways for it to be transmitted is through sexual intercourse. It affected people from all over the world, from all races, from all backgrounds and social hierarchies. Tens of millions of people have died from it, and every day there are tens of thousands newly infected, mostly in the less developed countries, having their lives doomed even before they start as most of them get it from their parents when they have been conceived.
The correct option is NATIVE AMERICANS.
The Civil Right Act of 1866 was the first one to address the issue of citizenship in USA. The law was meant to protect people of other countries born or brought into the USA. The Act established that all citizens are equal and protected by the laws of the land.
