A double crown is your answer
Historiography is the study of the methods of historians in developing history as an academic discipline, and by extension is any body of historical work on a particular subject. ... The extent to which historians are influenced by their own groups and loyalties – such as to their nation state.
Answer: Similar problems afflict cities throughout the region. Slums spread over larger and larger urban areas. Often unemployment and crime increase. In addition to social problems, there are many environmental problems. These include high levels of air pollution from cars and factories.
Explanation: Give me the brainiest
The answer to the question is c men
