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.
It can be a benifet because it boosts economic diplomacy. but can hurt us because taxes will rise due to too much money printing because more people means more money, leading to food, gas and other things pricing to rise.
A failed revolution in Germany" is not true. The revolution that was taking place in German was in fact quite good at mobilizing workers, unfortunately mostly for militarization.