In 1918 the democratic President Woodrow Wilson of the United States presented his Fourteen Point program to end World War I (1914-1918) . Wilson's proposal systematized his ideas already made public in April 1917, before the United States went to war. He advocated a "peace without winners or losers" that would guarantee "making the world safe for democracy". He said that if the great nations' self-determination were the basis for peace, then that would be the last conflict, "a war to end all wars".
In exchange for the food and clothing offered by Spanish missions, many different tribes agreed to show the settlers how to properly plant and cultivate crops, which was difficult for many settlers.