The event that was an attempt for states to resolve their differences before the Constitutional Convention was the Annapolis Convention.
Explanation
The Annapolis Convention was held in Annapolis (Maryland), on September 11-14, in 1786 and it was created to discuss, develop and remove the trade barriers that each state had established since the government had no power to regulate trade between the states.
Only twelve delagates from five states attended the convention (New York, Pennsylvania, New Jersey, Virginia and Delaware) and it failed to accomplished its purpose, but the recommendations made by the delagates were later adopted by the U.S Congress.
Since Southern blacks were not allowed to fight in the Civil War, they were able to contribute to the war effort by joining the army despite the rules against it. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
The Bollywood film industry is an important part of the culture of
theater and arts in India. Sometimes people in India the Bollywood
industry is compared with the Hollywood film industry, although it can
be rightly pointed out that technically Hollywood is far superior than
the Bollywood film industry. Numerous film actors from Bollywood film
industry has come and acted in Hollywood and few of the Hollywood actors
have also ventured into Bollywood films. Bollywood is the biggest film industry in India and people around India enjoy the films produced in Bollywood.