What are some factors that affect social mobility

I need help with a Social Science question. All explanations and answers will be used to help me learn.

During Module 5, we have studied social stratification and how it influences what goes on in many social interactions among people. After you have read the reading assignment and lecture for this module, please respond to all parts of the discussion by Sunday, October 9, 2016:

What are some of the factors that affect social mobility? Can these be overcome?
Do you believe the structural-functionalist or the social-conflict approach best explains social stratification? Why?
Is it possible for members of a minority group to be racist? Why or why not?
When you think of various groups (race, class, and gender) in society, which ones have the most power and which ones have the least? What and who are some examples? Has this changed over time? Do you think it will change in the future? Why or why not?
Write your responses in two to three paragraphs. Be sure to incorporate terms, concepts, and theory from your readings to support your comments. Remember to respond to the posts of at least two other students in this class

By Sunday, October 9, 2016, post your response to the appropriate Discussion Area. Review and comment on your peers’ responses. Complete your participation for this assignment by Tuesday, October 11, 2016.

Textbook chapters to cite

Module 5 online lectures
From the textbook, Society: The Basics, read the following chapters:
Social Stratification
Gender Stratification
Race and Ethnicity
Macionis, J. J. (2016). Society: The Basics, 14th Edition. [VitalSource Bookshelf Online]. Retrieved from https://digitalbookshelf.argosy.edu/#/books/9781323330944/
On line Lecture to cite