Despite American President Woodrow Wilson efforts to join the League of Nations (an organization for international cooperation) and get the U.S. involved in other international alliances, Congress refused to support Wilson's ideals and instead, aimed at focusing on domestic issues and adopt an isolationist policy: It refused to join the League of Nations, renounced to its alliance with Europe, imposed restriction to limit immigration, and passed legislation supporting business growth and industrial expansion. This all indicated the rise of isolationism in the U.S. Congress.
F. the need to add a Bill of Rights. The Federalists didn't want to add the Bill of Rights because they thought that the new constitution would be enough while the Anti-Federalists thought that the new government would threaten individual liberties if there wasn't a Bill of Rights
The most important reason that the Confederate States needed to be recognized was to better its trade with Europe. It was different if the Europeans were trading with a set nation rather than a large chunk of land that wanted nothing to do with the Union, a big part of the trade at the time.