What did the treaty of san ildefonso do?

a. it returned the louisiana territory to france.
b. it divided up the louisiana territory between britain and france.
c. it allowed the united states to purchase the louisiana territory.
d. it allowed the united states to enter into negotiations to purchase the louisiana territory.

he thoguht he reached india but he reached north america therfor thats why they are known as nactive americans.

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.