Which event angered america and compelled the us government to send two strongly worded warnings to germany in may and june 1915

German submarines sinking the French liner Sussex. the delivery of the Zimmerman note German submarines sinking the British liner Lusitania. Germany’s invasion of Belgium the release of British propaganda about German atrocities against the Allies

German submarines sinking the French liner Sussex. the delivery of the Zimmerman note German submarines sinking the British liner Lusitania. Germany’s invasion of Belgium the release of British propaganda about German atrocities against the Allies

^^this is correct