Think of a job you have had.
Write a page of rough notes about it, then, looking these over, decide how socially useful or useless the job was.
Now write an inductive argument showing the evidence for your conclusion.
After a rapid first draft, examine what you have said: Do the examples support your thesis? If not, change your thesis to reflect what you have discovered while writing.
Are your examples fully enough explained to make sense to the reader? If not, elaborate. Or is there deadwood? Trim it out.
Read your second-to-last version aloud to help fine-tune its style.
Read the final version aloud to the class.