Because countries who practiced Christianity were traveling the world colonizing different areas and passing on their religion. Remember the 3 G's: God, Gold, and Glory.
He proved that baseball wasn't just a white sport, that not just African Americans, but all "colored" races could play/do what they wanted as long as they put heart into it.
In 1913, President Woodrow Wilson signed the Federal Reserve Act which created the Federal Reserve Bank of the United States which would monitor and regulate the Dollar.