How and why did social divisions change significantly from the ancient western world to the feudal period to the early modern era?

How and why did social divisions change significantly from the ancient western world to the feudal period to the early modern era? In particular, how did elements of identity like status, gender, and citizenship change across these periods? Explain your answer with specific examples.
Essays should be at least five full paragraphs. In your work, utilize specific examples drawn from material discussed in class, your assigned reading, and documents used in-class activities. No outside sources are allowed for this assessment. Make sure to properly cite your sources. As always, be sure to single space your work, use 1-inch margins, and 12 point font (Times New Roman or similar).
Use this book and the document attached as your only sources:
https://bookshelf.vitalsource.com/reader/books/9781319171414/epubcfi/6/2[%3Bvnd.vst.idref%3Dcover]!/4