2. Why was it so important for the Germans to prevent U. S. merchant (trade) ships from reaching Britain?

On May 4, 1916, Germany responds to a demand by U.S. President Woodrow Wilson by agreeing to limit its submarine warfare in order to avert a diplomatic break with the United States.Unrestricted submarine warfare was first introduced in World War Iin early 1915, when Germany declared the area around the British Isles a war zone, in which all merchant ships, including those from neutral countries, would be attacked by the German navy. A string of German attacks on merchant ships—culminating in the sinking of the British passenger ship Lusitania on May 7, 1915—led President Wilson to put pressure on the Germans to curb their navy. Fearful of antagonizing the Americans, the German 

Explanation: have a nice day hun

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.