This is the answer for you're topic and also I got this from my old computer history so yeah.
<em>Answer: C</em>
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Explanation: C gives us a strong reason why reclamation has gotten cheaper. The nature of the mines has changed, making it less difficult to reclaim them.
B looks good EXCEPT look very carefully at the wording of the argument.
Answer: B. A writing system
Explanation: The Sumerians are the first known world civilization, which emerged on the land of Mesopotamia. In addition to the Sumerians, there were other Mesopotamian civilizations after, but one of the most important inventions or achievements that had an impact on the development of later civilizations was the writing system. It can be said that this invention is of great importance in general. According to some archaeological finds, the oldest Sumerian writing system on clay tablets dates back to the 8,000 years BC. To write on clay tablets, a Sumerian cuneiform was used, originating from pictographs and some other symbols used to display trade goods. The cuneiform was created from the need for trade because it represented a system of writing using wedge-shaped symbols, which were simpler than image symbols.
Answer:
the Greeks, Byzantines, Ayyubids, Mamluks and Ottomans – the ... Medieval Arab historians say that the history of the citadel as a fortified acropolis began under Nicator. In ...
Explanation:
It began to break down because it was only a temporary solution to the problem. The next time that slavery and new states came into question, the compromise became irrelevant because a new one had to be found to solve the issues with places like Texas and New Mexico, and California, and things like that.