You are your freind is absolutely right
History repeats itself a lot in our everyday lives, the reason for that is because it reminds us how things were back in olden days, and get repeated in the future, We learn new things every day because of history, without history, we would be nowhere
I'd say the answer is A) like rivers, people keep moving and finding new paths.
He wants to say that even black people will manage to find a good future, following a new path, the same way any other human being will.
The other examples do not seem correct to me.
I'll say my best answer is C. Sorry if it's not correct!
