In February 1915, Germany announced unrestricted warfare against all ships, neutral or otherwise, that entered the war zone around Britain. One month later, Germany announced that a German cruiser had sunk the William P. Frye, a private American vessel that was transporting grain to England when it disappeared.
Explanation:
I think is b or c hope this helps
The Gilded Age period meaning that the time period was showing great wealth on the surface, but there was corruption underneath.
I'm pretty sure the answer is B or D, because it talks about the centre plaza more then the rest of the area. Hope this helps!