Essays / How to structure an essay with the title, examine the changes in social policy [4]

Topic help (identify and area of change and discuss its impact of society)

i need to write an academic essay and have four credible sources but my mind is blank at the moment i cant come up with a good idea and i cant start it of my mind is blank please help me all the info i have is (IDENTIFY AN AREA OF CHANGE AND DISCUSS ITS IMPACT ON SOCIETY). My intro needs a hook an overview of the essay and clear thesis statement. please if anybody could help me with a topic and possibly help me start of the essay i would be forever grateful.