Answer:
During the war in many cases the German submarines would destroys ships, of which some even were carrying only humanitarian help. Actually one of the main reasons why the United States entered the war is because one their ships - Lusitania was destroyed by the Germany submarine.
Explanation:
The second point to the freedom of sail under every condition. During the war it was unsafe to use boats, mostly because not only war, but also trade and other ships would be destroyed. That is why president Wilson included the second point as one oh his famous Fourteen points.
