Playa Novillero, Mexico Sign us up. This beach is 56 miles long, a third of a mile wide and water that's shallow enough that you can walk about 330 feet into the water. Ninety Mile Beach, New Zealand Unlike its neighbor to the west, this beach, on the North Island, is really only about 55 miles long.
World-systems theory. World-systems theory (also known as world-systems analysis or the world-systems perspective), is a multidisciplinary, macro-scale approach to world history and social change which emphasizes the world-system (and not nation states) as the primary (but not exclusive) unit of social analysis.
Unilineal evolution (also referred to as classical social evolution(ism)) is a 19th century social theory about the evolution of societies and cultures.ntellectual Thought Edit. Theories of social and cultural evolution are common in modern European thought. Prior to the 18th century, Europeans predominantly believed that societies on Earth were in a state of decline.