The answer is D hope this helps.
I think it would be c to support fascism.
George H, W. Bush and George W. Bush
John Quincy Adams and John Adams(John Adams was 2nd president.)
<span>Benjamin Harrison and William Henry Harrison(Henry HArrison was Benjamin's grandfather.</span>
Maybe the old man is talking about reincarnation and when he returns it’ll be a different time therefore requiring change. Change in science, writing, and overall human advancement.