Geography Skills There were 13 new states added from 1791 to 1838, for a total of 26. 2. Five new states—Louisiana, Indiana, Mississippi, Illinois, and Alabama—were admitted during the 1810s, the most of any decade.
Turner's main point in his thesis was that the frontier played the most significant part in American History and that majority of history took place around the colonization of the West.
His arguments are considered innacurate because what mostly dominates American History are the Civil War, industrialization, slavery and immigration. He also ignores the existance of native americans who lived out of the settled area.
