Niagra falls was a popular subject for north american artists in the second half of the nineteeth century because it symbolized

U because i am it just happened

True is the

Relief sculpture - images are set against a flat background. a coin is a good example: the inscription, the date, and the figure are slightly raised above a flat surface. the ancient egyptians sometimes carved figures into a flat surface.    pro: they take significantly less time to make and do not require as much tools or skills as free-standingcons: not nearly as realistic, as it is not fully 3-d, and does not have the details that a free-standing one does.freestanding sculptures (also called  carved in the round) are not attached to any  background.  they are 3-dimensional  and fully rendered.

Well, in my opinion, i would think that african art should be displayed at any museums as if it was any other type of american art because slaves were forced to this country, which resulted and different cultures, so it shows the diversity of our country. the challenges that may come about is if it is not displayed as honor or if they american portrayed the art as something worse