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.
Systems theory, which is the major alternative to the hierarchical approach, views an organization as a black box that translates inputs into outputs. It is the most ambitious effort to generalize about all organizations, public and private, large and small, open and closed. The structural approach and systems theory, which focus on an organizationâs basic structure and on the relationship among its elements, have been challenged by four other approaches.