In the fourteen points woodrow wilson advocated

President Woodrow Wilson drew up after the First World War the 14 points to achieve a peaceful balance between Europeans. In order to avoid vengeance, new conflicts and peace among Europe's nations, Wilson always advocated diplomacy.

His 14 points tried to establish a peaceful balance among Europeans. At all times, Wilson defended diplomacy to avoid revenge, new conflicts and also to stimulate peace among European nations.  He advocated for diplomacy over violence by seeking to prohibit secret agreements between nations.

the answer for 3 is b and the answer for 4 is d

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain