Answer: The first visits by an incumbent President to countries in Western Europe were made in 1918 and 19 by Woodrow Wilson in the aftermath of World War I. He was awarded the 1919 Nobel Peace Prize for his peacemaking efforts.
Explanation: Wilson cited Germany's violation of its pledge to suspend unrestricted submarine warfare in the North Atlantic and the Mediterranean, as well as its attempts to entice Mexico into an alliance against the United States, as his reasons for declaring war. Hope I helped!
