Answer:
The roots of the expedition of Meriwether Lewis and William Clark were already lengthy by the time of the Louisiana Purchase in April 1803. Thomas Jefferson's curiosity about the West was lifelong, sustained by his broad scientific interests and his hopes and dreams for the future of the United States.
During the old times, Spain's primary interests are the 3G's (God, Glory, & Gold). It is logical for this country, being a colonizer, to gain interest in acquiring as many territories as possible. The countries strategy involves depriving other countries to access the lands discovered by Christopher Columbus except when there is permission from the Spanish authority. This gave Spain the opportunity to monopolize the lands of the New World.
Because they were Emporers. So they thought of themselvesas higher class!
On this day in 1796, George Washington