Why Did Shays's Rebellion Enable Collective Action Among Those Who

Why did Shays's Rebellion enable collective action among those who wanted to revise the Articles of Confederation?

A) Shays was a charismatic political entrepreneur who was able to bring together several key opponents of the Articles.
B) Shays demonstrated a new strategy to provide selective incentives to institutional reformers.
C) The rebellion showed that the federal government was already strong enough to quell an uprising, which demonstrated that taking further steps toward a stronger central government was an attainable goal.
D) Shays introduced key figures in western Massachusetts to the concept of civil disobedience, which in turn caught on with opponents of the Articles across the country.
E) The rebellion provided politicians who were already convinced of the inadequacy of the Articles with the ammunition they needed to convince a broader public of their inadequacy.