Question

Antarctica is a continent that is vastly underused. filled with resources ranging from fish to minerals to oil, we are overlooking valuable opportunities for our nation's economy. what is the effect of the word vastly on the author's purpose?

Answer 1

The word Vastly as it is used in this sentence effects the author's purpose because it adds to the fact that a lot of the space is very underused and/or overlooked as a whole.

Answer 2

Since the word vastly means very much that means that Antarctica is very much un-used.