President Wilson's speech effectively justifies the U.S. entry into World War I based on upholding human rights and a principled approach.
President Wilson's speech can be considered effective as it emphasizes the necessity for a united response to the threat posed by Germany's actions during World War I. The speech aims to justify the U.S. entry into the war based on the principle of upholding human rights and not seeking revenge or asserting dominance. Wilson's call for a measured and principled approach reflects a diplomatic and thoughtful strategy in addressing the complex situation.