In the mid 1780s, many Massachusetts citizens (as well as in other states), were taxed very harshly and ended up deep in debt despite their effort to work.
After citizens failed to receive any tax relief, Daniel Shays lead a 1500-man army to a federal arsenal. They were quickly defeated by its defendants.
Shay's Rebellion, 1786-1787
While the group had lost the confrontation, it still caused many Americans to consider the obvious potential for more uprisings of the like in the future. Some hoped it could be resolved by the National Congress. But the Articles of Confederation would prevent any possible attempt; it was clear that further action was needed for change...