The convoy system, instituted in may 1917,
a. had failed by november 1917.
b. eliminated the sinking of allied ships.
c. ended the war.
d. cut merchant marine losses greatly.

d. cut merchant marine losses greatly.

Explanation:

In 1917, Germany unleashed an unrestricted submarine war around the waters of Europe, which would bring the United States into the war.

Allied losses totaled more than 2.7 million tons. Nevertheless, the effort was not enough to beat the allies who had adopted a more efficient train system against the U-Boot; With it, about 2 million US soldiers were transported to the front, as well as weapons and supplies from Europe.

he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: