The Battles of Lexington and Concord signaled the start of the American Revolutionary war on April 19, 1775. The British Army set out from Boston to capture rebel leaders Samuel Adams and John Hancock in Lexington as well as to destroy the Americans store of weapons and ammunition in Concord.
I think it is A. Natural Sculpture, because your question asks about a type of environment sculpture, so pretty sure it is natural from the environment. Hopefully it is right :)
The plain Indians did a lot of hunting which resulting in their retrieval of their clothes, food, and shelter materials.
So the answer is C. Hide
<u><em>Artworks, the Nature Around Us Must be pretty.</em></u>