In 1838, the city of Boston established the first American police force, followed by New York City in 1845, Albany, NY and Chicago in 1851, New Orleans and Cincinnati in 1853, Philadelphia in 1855, and Newark, NJ and Baltimore in 1857 (Harring 1983, Lundman 1980; Lynch 1984).
Answer:
think of the model as the data that you would put on a spreadsheet and the diagrams as the different types of charts that you can use to view and interpret that data, for instance, a pie chart or bar chart
B. second largest
explanation:
Asia is the largest in the world