Which of the following assesses Germany’s use of unrestricted U-boat warfare?(1 point)%0D%0AResponses%0D%0A%0D%0AUnrestricted U-boat warfare damaged British shipping, but didn’t have further consequences.%0D%0AUnrestricted U-boat warfare damaged British shipping, but didn’t have further consequences.%0D%0A%0D%0AGermany’s use of unrestricted U-boat warfare expanded the war and eventually caused the U.S. to declare war on Germany.%0D%0AGermany’s use of unrestricted U-boat warfare expanded the war and eventually caused the U.S. to declare war on Germany.%0D%0A%0D%0AUnrestricted U-boat warfare forced the British to sue for peace.%0D%0AUnrestricted U-boat warfare forced the British to sue for peace.%0D%0A%0D%0AUnrestricted U-boat warfare had little effect on the war.

Germany’s use of unrestricted U-boat warfare expanded the war and eventually caused the U.S. to declare war on Germany.