<span>The Valley of the Kings is closest to Luxor. In ancient times, Luxor was known as Thebes.</span>
The answer is water because today not everybody has gold or land or silver and everybody has water and til this day still uses it.
So the question ask what is the result in the westward expansion in the mid 1800's and the best answer among your choices is letter A. increased dramatically. I hope you are satisfied with my answer and feel free to ask for more if you have clarifications