1. Loss of Life: The sinking of the Lusitania resulted in the death of over 1,198 people, including 128 American citizens. This loss of life, especially among non-combatant civilians, shocked and angered Americans.
2. Violation of Neutrality: The Lusitania was a British passenger ship traveling from New York to Liverpool, carrying civilians, including Americans. Germany's deliberate attack on a non-military vessel sailing in international waters was seen as a violation of international law and an affront to American neutrality.
3. Propaganda: The sinking of the Lusitania was extensively covered in newspapers and media outlets in the United States. Graphic images and stories of the tragedy were widely circulated, creating a powerful emotional response and shaping public opinion in favor of intervention in the war.
4. Shift in Public Sentiment: Before the sinking of the Lusitania, public opinion in the United States was divided on the issue of joining the war. Many Americans were reluctant to get involved in a conflict that seemed distant and unrelated to their interests. However, the Lusitania incident galvanized public support for intervention and led to a strong movement to hold Germany accountable for its actions.
5. Diplomatic Tensions: The United States government repeatedly warned Germany that attacks on passenger ships would have serious consequences. After the sinking of the Lusitania, President Woodrow Wilson issued a strong diplomatic note condemning Germany's actions and demanding reparations and assurances of future safety for civilians at sea. Germany's refusal to comply with these demands further strained relations between the two countries.
In summary, the sinking of the RMS Lusitania played a crucial role in shifting public opinion and persuading the Americans to enter World War 1 on the side of the Allies. The loss of American lives, the perceived violation of neutrality, and the emotional impact of the tragedy were key factors that contributed to this decision.