Answer:
I think its D but dont take my advice!!
Explanation:
The one reason that the Constitutional Convention decided they needed a document to replace the Articles of Confederation, because the articles outlined an outdated tax system.
Option A
<h3><u>Explanation:</u></h3>
The Article of Confederation was replaced because it had many loophole and weaknesses which majorly exploited the Constitution while giving power to the state; more power than the federal government. The Article of Confederation was replaced in 1789 because there was a need for a strong Federal government.
The article was meant to preserve the sovereignty and independence of states. However, during the ratification, it was established that nothing had changed politically since enforcing the Article and even after ratification, things remained the same. It was replaced to strengthen the national government.

The main reason was the lack of money .
so here your answer is
B. objection to the inability of the government to respond to economic crisis
HOPE IT HELPS YOU.
During the invasion, the Japanese inflicted mass casualties on Chinese civilians, killing millions and displacing millions more.
Answer:
European scientists challenged traditional teachings using new scientific observations and methods