Answer: Carnegie invested in the right industries at the right time— railroads, telegraphy, oil, iron and steel—to become very rich at a young age.
To show the American people the Kennedy's family did not hold any ill will
The poor standing of Leopold the 2nd is most probably attributed to the role he had in the extermination of huge amounts of people in Belgian colonies at the time. This wasn't known at the time, but today we known that Leopold the 2nd had ordered a genocide over the Congonese people.
