Answer:
D. Industrial Revolution.
Explanation:
The industrial revolution created the situation being described in the passage.
Answer:
c) a group of people who share a similar economic position in a society, based on their wealth and income
Explanation:
Social class is a concept used in social sciences and political theory that <em>refers to a group of individuals that share the same socioeconomic status.</em> The most common social classes are upper, middle and lower.
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Irrigation was a Sumerian invention, which included major components like canals, gated ditches, levees, and gates. Its two purposes were to (1) to water the crops using w<span>ater carried from the Tigris and Euphrates Rivers to the fields where the crops were located, and (2) </span><span>to protect Mesopotamia, from the threat of flooding.</span>
Cryptography is the science and practice of safeguarding information through codes.
Information that someone doesn't want someone else to be able to understand is put into cryptography. This stops someone from being able to see the message and depending on what it is about, steal the information. This text is called cipher text.
