Explanation:

I have a dream today! I have a dream that one day every valley shall be exalted, and every hill and mountain shall be made low, the rough places will be made plain, and the crooked places will be made straight; "and the glory of the Lord shall be revealed and all flesh shall see it together
I answered this one before from another user and I think it’s B
Answer:
Explanation:
They were no longer 'slaves' after the 13th amendment but we're still not citizens of the U.S.A until the Fourteenth amendment took place.
Answer:
nowledge from any time period will always be helpful in some way. We are able to accomplish several things with the more knowledge we know. Knowledge from the past is still useful for is today for the reason that it can help us in present situations.
Information found in the past can teach us how to improve modern technology. Ideas are always being changed due to knowledge of the past such as changing from riding a horse to riding a car or from cooking on top of a fire to cooking on a stove. The knowledge from the past helped in the creation of modern ideas/creations.
Knowledge of the past will continue to be useful for us today and for us in the future. We will learn from past knowledge and use what we learned to create and help us in certain situations. Knowledge is a great gift and shall always be used to help the human race.
Explanation:
I hope this helps u! :D