George Westinghouse<span> (1846-1914) was an American entrepreneur and innovator who invented the railway air brake and exerted considerable control over the American electrical </span>industry<span> during the the Second </span>Industrial<span> Revolution. Westinghouse was a major </span>competitor<span> against </span>Thomas Edison<span>, and whereas Edison's ...</span>
Answer:
The answer would be B the growth of nomadic bands
Explanation:
You know this because it is talking about two seperate groups not just one and is telling you the differences and patterns of growth shown by each.
When it gets too powerful an out-of-control.
Here is a segment of text from the Declaration of Independence
"That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their Safety and Happiness."
-http://www.ushistory.org/declaration/document/
Answer: mesopotamia
Explanation: Sumer, located in Mesopotamia, is the first known complex civilization, developing the first city-states in the 4th millennium BCE. It was in these cities that the earliest known form of writing, cuneiform script, appeared around 3000 BCE.