Answer:
Lincoln-Douglass debates
Explanation:
Stories about the debates between Lincoln and Douglass became known across the country, making Abraham Lincoln a force to be reckoned with despite an early loss. People were ready to rally behind his new vision for the country.
He founded Standard Oil. This became a popular provider in the USA in the 80’s
hope this helps
Ejemplos de las fuentes primarias
Un libro que sería fuente primaria es por ejemplo un censo electoral, o el manuscrito original de “El Príncipe” de Maquiavelo, mientras que una fuente secundaria seria un libro que analice los datos del censo o un análisis del libro de Maquiavelo.
