Editing Arkansas (section)

===Boundaries===
Arkansas borders [[Louisiana]] to the south, [[Texas]] to the southwest, [[Oklahoma]] to the west, [[Missouri]] to the north, and [[Tennessee]] and [[Mississippi]] to the east. The [[United States Census Bureau]] classifies Arkansas as a [[Southern United States|southern]] state, sub-categorized among the [[West South Central States]].<ref name="wsc" /> The [[Mississippi River]] forms most of its eastern border, except in [[Clay County, Arkansas|Clay]] and [[Greene County, Arkansas|Greene]] counties, where the [[St. Francis River]] forms the western boundary of the [[Missouri Bootheel]], and in many places where the channel of the Mississippi has meandered (or been straightened by man) from its original 1836 course.{{Citation needed|date=January 2022}}