How did the sinking of the lusitania in 1915 affect world war i? the united states declared war on germany. germany continued its policy of unrestricted submarine warfare. germany restricted its submarine warfare in response to international outrage. the united states began a policy of unrestricted submarine warfare.

The correct answer is C) Germany restricted its submarine warfare in response to international outrage.

During 1915, a German submarine sunk the ship the Lusitania. This passenger ship had both British and American citizens on it. Ultimately, the attacking of this ship outraged European and American citizens alike. This is due to the fact that hundreds of innocent civilians were killed.

This is why German began restricting its submarine warfare, as they did not want to further anger other countries during this time of war.

c)Germany restricted its submarine warfare in response to international outrage

e imma say squidward tentacles

answer; (b) asia;