Because he set free and brought freedom to many people.
It exposed the fact that the Articles of Confederation did not have much military power. Shay's Rebellion would not have been as terrible if the Articles simply summoned an army to stop it, but they did not because of their lack of authority. Instead, local militias had to step in and stop the rebellion. This would lead to the US Constitution being allowed to summon the military in the situation of combat.
Answer:
C, They considered Francisco Franco a fellow fascist.
Explanation:
Fransico Franco was a falangist which was very similar to fascism and national socialism. During the Civil War, Franco was fighting against the Republicans, a coaltion of communists and other left leaning idealogies. Because of this, Hitler and Mussolini assumed Franco would allign with them due to a similar idealogy.