She could become depressed
The Lusitania was a passenger liner that was sunk by a German U-boat, killing over 1000 people including over 100 US citizens.
The Greeks created the Olympic Games in honor of their gods
I believe the reason why the western world had formed the NATO alliance was because it served the purpose of protecting westwern europe against the influence of the Russian Iron Curtain. It was a pact that brought all of the US's allies together into one alliance to protect against Russia and any other countries that were supporting communism at the time.
While it was less dependent on military intervention than Theodore Roosevelt's foreign policy, Taft's dollar diplomacy did the United States more harm than good. Still plagued by foreign debt, the Central American countries came to resent U.S. interference, fostering anti-American nationalist movements.