Every man who really loves America will act and speak in the true spirit of neutrality, which is the spirit of impartiality and fairness and friendliness to all concerned. . . . The United States must be neutral in fact, as well as in name, during these days that are to try men's souls.
The passage is from President Woodrow Wilson’s Declaration of Neutrality in 1914.
How did this speech affect US involvement in World War I?