What was the going on in American society that led authors Mark Twain and Charles Dudley Warner to refer to late 1800s America as "The Gilded Age"? O American Society had a powerfully wealthy exterior that was overshadowing a horrendously poverty-stricken lower class.
O America was focused on mining gold while neglecting other materials that would have had more industrial value.
All facets of American society were experiencing record levels of wealth and comfort.
Americans were beginning to care about the environment and clean up the cities.

i believe the answer is:

-   william jennings bryan is a democrat while mckinley was a republican

at that time, the segment of population that choose for democratic party were the voters with low economic background and vice versa

- william jennings has support of populists and wants to have inflation to farmers while mckinley has support of bankers and businessmen , doesn't want inflation

the fixed value of gold make the large business able to stack up their gold without   being worried that it would devaluated.

- william jennings supported the silver standard while mckinley supported the gold standard

according to jenning, using other metal beside gold could the poor people to have more purchasing power and them advance in the society.

i believe the answer is a