The American public, fearful after the attack, demanded that the US remain isolated and avoid future conflicts with Germany.

Americans, angry about the sinking and the accompanying loss of life, demanded immediate action from the government and revenge against Germany.

The American public criticized the British for blockading German ports; thereby causing the attack and the loss of life.

The United States immediately declared war and created its own blockade of all European ports- sinking all Germany ships that violated the blockade.

Mexico, hoping to reclaim territory lost to the United States, requested German military assistance in a planned invasion of American territory.

Germany, hoping to distract the American government and American military, tried to persuade Mexico to invade the United States.

The Zimmerman Note, sent by the German government, attempted to persuade the American government to join the war and side with Germany.

The United States, wanting to assist Great Britain, sent a telegram to Russia encouraging them to send more troops to combat German forces on the Eastern Front.

Britain’s use of unrestricted submarine warfare angered the American government and forced the Americans to ultimately enter the war and side with the Central Powers.

The sinking of the Lusitania, though unpopular in America, did nothing to alter American public opinion about the war.

Woodrow Wilson won reelection by promising to rid the world to the threat posed by Germany and Austria-Hungary.

Unrestricted submarine warfare caused American casualties and cost American dollars; consequently, forcing many Americans to turn against Germany.