Social Darwinism<span> was a sociological theory popular in late nineteenth century europe and the United States. Maybe?</span>
Answer:
Explanation:
Agriculture is believed to have first been practised around 10,000 BC in the Fertile Crescent ... Population movements of the proto-historical or early historical period .
Answer:
spread across a wide area
all of the above
d.
Answer: Memorial Day was declared a national holiday in 1971
