Research by some scholars provides population estimates of the pre-contact Americas to be as high as 112 million in 1492, while others estimate the population to have been as low as eight million. In any case, the native population declined to less than six million by 1650.
I believe there is a book on the matter as well. Good luck. :)
March, 29 1973. If it asks you a reason why the US left Vietnam, it's because the US signed a peace treaty in Paris.
Answer:
Many different types of evidence.
Explanation:
All 3 study material remains and use what they discover to look at past cultures and societies. Archaeologists excavate as well as paleontologists in order to see into the past of those who have lived before us. They find past structures, bones, tools, etc. Sorry I couldn't go more in depth.
Helping the poor is an important duty for the affluent and the government as well. There are several reasons why the poor should be helped by private citizens, such as out of philanthropic course. For government,the welfare of its citizens rests on its shoulder in the promise that it would champion the well being of all members.
<span>The level of sophistication under the first Qin emperors was large. During his rule, Qin standardized coins, weights, and measures; interlinked the states with canals and roads; and is credited for building the first version of the Great Wall.</span>
