Seward’s Folly refers to the
(A) United States’ annexation of Hawaii
(B) Whiskey Ring Scandal
(C) United States’ purchase of Alaska
(D) events that led to the Spanish-American War
(E) Gadsden Purchase
Seward’s Folly refers to the "(C) United States’ purchase of Alaska," since this deal was made by William Seward, and was seen by many at the time as being a waste of money.