Colonial history of the United States Lower Louisiana. This vast tract was first settled at Mobile and Biloxi around 1700, and continued to grow when 7,000 French immigrants founded New Orleans in 1718. Settlement proceeded very slowly; New Orleans became an important port as the gateway to the Mississippi River, but there was little other economic development because the city lacked a prosperous hinterland. In 1763, Louisiana was ceded to Spain around New Orleans and west of the Mississippi River. In the 1780s, the western border of the newly independent United States stretched to the Mississippi River. The United States reached an agreement with Spain for
Enlightenment in Spain Florida was ceded to the British and Spain recognized British control over Menorca and Gibraltar in 1763, although the vast territory of Louisiana was given to Spain to compensate her for her losses. After the Treaty of Paris (1763), however, Spain could focus on internal development. By far the largest landholder in Spain, the Church had been treated with great charity by the Spanish kings of the seventeenth century - Philip IV in particular donated large tracts of territory in religious piety. Much of this land went unused, and a great deal of the remainder of the country was owned