The main failure of the Articles of Confederation was that it gave too much power to the states, basically the states were all divided into their own governments. The national government have too little power and couldn't properly control the states. The US Constitution was created to balance out the powers between state and national government.
“The Oregon Treaty[1] is a treaty between Great Britain and the United States that was signed on June 15, 1846, in Washington, D.C.. The treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to the Oregon Country; the area had been jointly occupied by both Britain and the U.S. since the Treaty of 1818.[2]” hope this helps
Leader Henry Clay<span> designed a compromise, which failed to pass in early 1850, due to opposition by both pro-slavery southern Democrats, led by </span>John C. Calhoun<span>, and anti-slavery northern Whigs.</span>