Who was the french leader who sold louisiana to the u. s. ?

Why might it be important to know a currency’s exchange rate

Did the west show signs of cultural decline in the 20th century?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.