Why was it difficult to settle a dispute between two states under the articles of confederation

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths

A. southerners underestimated republicans eagerness to end slavery.

Both countries had to aprove annexation.