The correct answer to this open question is the following.
An agricultural achievement such as irrigation and faster-growing crops lead to the increase of trade because these technological innovations allowed farmers to produce more crops and trade them at better prices because they could make production more efficient. Indeed, crops started to be not only traded in the country but exported, generating more and better income for the agriculture industry.
Answer:
the Navajo code talkers were important because they played a critical role in world war 2.
During World War 2, marijuana in America was Legal.
The need for a stronger Federal government soon became apparent and eventually led to theConstitutional Convention in 1787. The present United States Constitution replaced the Articles of Confederation on March 4, 1789. ... November 15, 1777 - The Continental Congress adopted the Articles of Confederation.
So, your answer is: D. Shay's rebellion revealed the weaknesses of the Articles of Confederation