Choose a time period which is at least twenty years from our current time period. The amount of difference between the two time periods can be much more than twenty years. You choose. Research the time period. Choose a value, attitude or behavior and discuss how that value attitude or behavior that was acceptable in the past time but is not now. Or it was not acceptable in the past, but it is now. Write a clear grammatically correct paragraph or two explaining your findings. Cite your sources.