Answer:
Shays' Rebellion proved that the Articles were too weak.
Explanation:
During<span> the 1960s the availability of primary sources made historical research and</span>writing<span> possible and the debate became more vigorous. Historians Herbert Feis and Gar Alperovitz raised searching questions about the </span>first use<span> of nuclear weapons and their broader political and diplomatic implications.</span>
I believe the answer is B
What are the options provided?
Answer: B. Improves Results