Read the scenario below and answer the question that follows. for history class, marlena is writing a paper on president andrew jackson’s treatment of minorities, namely african americans and native americans. during her research, she finds the archived journal of one of his numerous, african american slaves on his tennessee plantation. the slave talks about daily life as a servant and does not speak highly of president jackson. what type of source did marlena find during her research? a. the journal is a primary source. b. the journal is a secondary source. c. the journal is a newspaper. d. the journal is a history textbook.