C. When the total population of a territory reached 60,000 free inhabitants, the settlers could write a state constitution, which had to be approved by Congress. Shay's Rebellion. *Government owed veterans money. The single event that proved the Articles of Confederation should be replaced (by Constitution) i. Shay = farmer ...
The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>
