Because of the wide variety of people
Answer:
As reports from the field became increasingly accessible to citizens, public opinion began to turn against U.S. involvement, though many Americans continued to support it. Others felt betrayed by their government for not being truthful about the war. This led to an increase in public pressure to end the war.
Explanation:
Your answer should be C.) The government set up by the Articles of Confederation was not effective. That's why they had to replace the Articles of Confederation with the Constitution.