Social Darwinism<span> was a sociological theory popular in late nineteenth century europe and the United States. Maybe?</span>
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Arabic numerals are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. The term often implies a decimal number written using these digits, which is the most common system for the symbolic representation of numbers in the world today, and is also called Hindu–Arabic numerals.
Explanation:
