<span>Most of the ethical discussions related to genome editing center around human germline editing. This is because changes made in the germline would be passed down to future generations.
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Hypothetical evidence is based on speculation rather than on concrete facts. This is similar to a hypothesis in science.
The closest one I can see is answer D. The writer is asking you to imagine what would happen if leaders wrote their own speeches, instead of telling you what does and is known to happen when they do write their own speeches. (I hope that wasn't too confusing.)
Douglass did not wish to celebrate The 4th of July because it was celebrating freedom. There were many blacks still enslaved and he dispised how United States celebrated freedom when millions of blacks were still enslaved. Douglass said “The rich inheritance of justice, liberty, prosperity and independence, bequeathed by your fathers, is shared by you, not by me. The sunlight that brought life and healing to you, has brought stripes and death to me. This Fourth [of] July is yours, not mine.” He is talking about the black slaves who are still trapped with no freedom