Answer:
The Crédit Mobilier scandal, which came to public attention in 1872, was a two-part fraud conducted from 1864 to 1867 by the Union Pacific Railroad and the Crédit Mobilier of America construction company in the building of the eastern portion of the First Transcontinental Railroad
Explanation:
I believe it was a trial upon Ethel and Julius Rosenberg. The couple were accused of selling nuclear secrets to the Russians, but treason could not be held since the U.S was not at war with the Soviet Union.
Charles Finney - A) Father of Modern Revivialism
Joseph Smith - B) Founder of Mormonism
Brigham Young - C) Led the Mormons to Utah
Hope this helps <3