The Westward Expansion has often been regarded as the central theme of American history, down to the end of the19th century and as the main factor in the shaping of American history. As Frederick Jackson Turner says, the greatest force or influence in shaping American democracy and society had been that there was so much free land in America and this profoundly affected American society. Motives After the revolution, the
winning of independence opened up the Western country and was hence followed by a steady flow of settlers to the Mississippi valley. By 1840, 10 new western states had been added to the Federal union. The frontier line ran through Iowa, Missouri and Arkansas on the western side of the river. All parts of the valley except Wisconsin and Minnesota were well populated. Thus a whole new section had been colonized with lasting effects on the American institutions, ideals and ways of living. The far west was the land of high mountains, deserts, strange rock formations, brilliant colors and immense distance. Fur
trade with Europe had now become a lucrative business and the fur traders became the pathfinders for the settlers. …
