The term that Mark Twain coined as an era characteriezed by a facade of prosperity was gilded age. "Gilded Age" was a title of a book that he co-wrote with Charles Warner. The book is about poor people trying to get rich and their relentless pursuit of wealth. Gilded gold was a term that meant that gold was placed on top of gold over and over, as in a bar of gold.
writings and methods were often adapted to need and circumstance, although there were some steady themes, including antisemitism, anti-communism,
Enslaved workers supported the Southern economy because they harvested crops on the southern plantations, and this helped the South's agriculture-based economy.
As described, I am assuming that by "legislature" you mean "Congress" as in both the House and the Senate.
With that caveat, the correct answers are:
The leader of the House of Representatives is called the Speaker of the House.
Senators are elected for a six-year term.
