Answer:
A civilization is a complex culture in which large numbers of human beings share a number of common elements. Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
The Best Explanation for why the Cold War is not Included in the chart Is because:
~That was not a Conventional War, and its Costs are Measured by the Individual Proxy Wars.
Hope this helps.
Transcontinental Railroads, (brainliest would be awesome) :)
The two geographic features are The Andean Mountain range and the Amazon river basin in the northern and central regions of the continent.
