Read through the different hypotheses, and re-read #4 several times.
Read through the topics at the right. Not all are moral issues, but many can be.
What do you think?
What moral issues do you remember?
These sites have lists of contemporary moral issues.
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To write an awesome essay, you need to write on a topic that's of real interest to you and about which you have strong feelings. Then do your research and think hard about the issues and how to present them in a logical and coherent manner.