Assignment Modules 4: Social Structures and ChangeWrite approximately 2 pages of text and then have maps and graphics as separate pages as well as a reference list on a separate page. You should use 11 point font, one inch margins, one and half line spaced. Have page numbers. Neatness, good formatting as well as good writing and communication skills matter for this assignment. Also use the Turabian parenthetical style for your text citations and for your Reference List.The text will include the following:1. Based on the readings, give a half page describing generically as how social, ethnic, and racial structures relate to describing and understanding cities in general.2. Take approximately one page for discussion of poverty/social class structure and shifts and Race/ethnicity/immigration structure and shift in Vienna, Austria (800 AD to the early 20th century period)3. Conclude with half page on the link to the spatial outcomes of poverty, race, and ethnicity.