Primary sources are important when studying historical events, because they generally give eye-witness accounts of what is going on, albeit with opinions. They give historians a view of what a certain group of people think, the actions they take, and how the events affect their everyday lives. Primary sources also allow others to build on top of it, and to give 'parts of the "whole"', such as the pieces of a puzzle, to giving those in the future a more narrow and personal outlook of things.
The use of primary sources exposes students to important historical concepts. First, students become aware that all written history reflects an author's interpretation of past events. ... Further, as students use primary sources, they develop important analytical skills.
Explanation: The fourteen points was aimed to reduce economic barriers, after ww1. He wanted every nation to be treated with economic fairness and with that there be peace among them.