I believe its Americans' sympathies lay overwhelmingly with Great Britain and its allies.
The chief Justice of the United States Supreme Court in 1954 was Earl Warren.
Several factors came together. Europe had a population that was on average richer than most other cultures. A very competitive commercial class, ships that were superior than other cultures, developed for the rough North Atlantic, and a number of competitive states rather than a single empire.
Answer:
Night of the Long Knives, in German history, purge of Nazi leaders by Adolf Hitler on June 30, 1934. Fearing that the paramilitary SA had become too powerful, Hitler ordered his elite SS guards to murder the organization's leaders, including Ernst Röhm.
It had european troops i pretty sure