The correct answer to this open question is the following.
Daniel Shay rebelled in Springfield, Massachusetts for the following reason.
Shay considered that the economic policies of the government were unjust, so he led a group of people and protested against these measures and also protested for the corruption of the state Congress. The demonstrations started in August 1786. Shay led violent acts such as the attack of government buildings Shay had been a soldier of the Continental Army in the Revolutionary War and later became a farmer as many of the other rebel people.
