Answer: Fredrick Jackson tuner, the great historian of the late 19th centry, said it was on the frontier that democracy was born, individualism. But the frontier also with it the expansion of slavery. The westwrad expansion of slavery was one of most dynamic enconomic and social processes going on in this country. The into the southwest, into Mississippi River into Louisiana. Finally by the 1840’s, it was pouring into Texas. Was not just a political issue. It was a fact of life that every American had experience during this period
Explanation:I think this is it and Hope this help!