evelynmontalvo339 evelynmontalvo339 25-06-2021 History contestada PLS HELP ASAP How did the United States respond when German U-boats sank the Lusitania?1. by remaining neutral after Germany agreed to limit submarine warfare2. by entering World War I on the side of the Allied countries3. by increasing the amount of supplies sent to Allied countries4. by barring all trade imports and exports with Germany