Which robber barons engaged directly in war profiteering and later became the most powerful banker in the U. S.?

Leland Stanford

Andrew Carnegie

J. P. Morgan

John D. Rockefeller

What was the main cause of the russian revolution? a. the protests against the war with poland b. the tremendous war losses of world war 1 c. the protests against the treaty of brest- litovsk d. the losses dictated by the treaty of versailles