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 is the interdisciplinary study of systems. A system is a cohesive conglomeration of interrelated and interdependent parts that is either natural or man-made. Every system is delineated by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose or nature and expressed in its functioning. In terms of its effects, a system can be more than the sum of its parts if it expresses synergy or emergent behavior. Changing one