expedition shattered dreams of Jefferson and exposed how hard the Rockies were to penetrate despite this, the extensive richness in the area and in the fur trade enticed trade, and the Rockies became the centre of American fur trade.
             The west was now largely American and the lure would call to many in the following years. The call of Westward migration was largely related to the economic situation of the East and in times of hardships or depression the West seemed to be a form of escape the first example of this occurred in 1806 when business restrictions in the East caused economic problems, this wave of migration consequently resulted in the additional States of Louisiana(1812), Indiana(1816), Mississippi(1817), Illinois(1818) and Alabama(1819) to the union of the United States. (To become a State of the Union a population of 60,000 must be reached).
             In 1807 the Embargo Act was passed which prohibited United States vessels from trading with European nations during the Napoleonic Wars, this embargo seriously threatened American livelihoods and stimulated a continuation of economic disruption. The war of 1812 is worth mentioning as it created a feeling of national pride and stopped the domination of America by European events, the decade in which followed has often been referred to as the 'Era of Good Feeling' but in fact it could be classified as the prelude to the strife and devastation and animosity that was destined to continue for four decades.
             Westward Expansion accelerated when Spain ceded Florida to America in 1819, in exchange for the payment of $5 million dollars and the settlement of all American claims made towards the Spanish government. In 1921 the Mexicans drove the Spaniards from the continent and declared Texas to be a Mexican State. The Mexicans encouraged American Westward movement and American pioneers and settlers were driven to this territory by trade and also by the promise of cheap fertile ...