Answer:
The Articles of Confederation gave the states way too much power and the federal government not enough power. The Constitution gave the federal government more power an reduced the power of the states.
Explanation:
They were upset because the law forbade them from settling in the Ohio River Valley where there was fertile soil for farming, and the Native Americans weren't using it, plus many colonists had already bought land west of the Appalachians and now weren't allowed to move. Many colonists did not respect the Native Americans and did not want to preserve their land. The colonists just ignored the law and moved across the Appalachians.