The convention of 1818 helped what?

It helped resolve boundary issues surrounding the present state of Oregon.

Explanation:

The Convention of 1818 set the boundary between the Missouri Territory in the United States and British North America at the forty-ninth parallel

can you post options so i can ?

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.