 
 <prompt> Wetin cause the kasala between the four sub-fields? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Sociocultural anthropology don dey heavily influenced by structuralist and postmodern theories, as well as a shift toward the analysis of modern societies. During the 1970s and 1990s, there was an epistemological shift away from the positivist traditions wey bin dey largely inform the discipline.[page needed] During this shift, enduring questions about the nature and production of knowledge come dey occupy a central place for cultural and social anthropology. In contrast, archaeology and biological anthropology remain largely positivist. Due to this difference in epistemology, the four sub-fields of anthropology don lack cohesion over the last several decades. 