It helped increase the oil industry i hope this helps and if its the answer your looking for award me the brainliest.
Answer:
Mathematics Magazine
Vol. 61, No. 3 (Jun., 1988), pp. 139-147 (9 pages)
Published By: Taylor & Francis, Ltd.
DOI: 10.2307/2689711
Explanation:
A democratic government is not a major characteristic of the ancient valley civilizations.
Rivers were very important to this civilization so they built their settlements around river bodies. They were a source of drinking water, transportation and agriculture.
<u>Some of these civilizations were</u>
- The Egyptians around the river Nile
- The Mesopotamian people on the Tigris and Euphrates rivers
- The Chinese on the yellow rivers.
<u>Some of the characteristics they had were:</u>
- record keeping
- complex institutions
- improved technologies
- advanced cities
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Labor intensive means that humans did the most of the work during the production process ( they handcrafted each products and use slave labors to increase the production)
Energy intensive means that machines did most of the work during the production process. This process started to spread after the early development of industrial revolution.
