Way to much to answer all at once break it up into multiple questions and i would be happy to answer sorry! : /
A convention was convened at Annapolis in 1786 c)to discuss interstate commerce. "The Annapolis Convention was a national political convention held September 11-14, 1786 at Mann's Tavern in Annapolis, Maryland, in which twelve delegates from five states-New Jersey,New York, Pennsylvania, Delaware and Virginia-gathered to discuss and develop a consensus about reversing the protectionist trade barriers that each state had erected."
I’m going to say B.
Sorry if I’m wrong
The United Nations was created at the end of World War II as an international peacekeeping organization and a forum for resolving conflicts between nations. The UN replaced the ineffective League of Nations, which had failed to prevent the outbreak of the Second World War.