Why is Cortes' letter a primary source

Nicole machiavelli’s famous work, the was about the qualities that made an ideal leader

How w. e.b. dubois wanted to improve the social and economic situation that existed for african americans during the early 19th century?

Plz ! the election marked the last time the federalist party ran a candidate for president. a. 1812. b. 1820. c. 1816. d. 1824.