Which statement describes the type of history porter is writing

B.Porter is writing medical history because he is focusing on the cause of the epidemic and the number of people who died. The interest of Porter’s research about the influenza is generally about the disease itself.

unbeknownst to the slave-ship captains, the daily dancing and exercise regime and vernacular dance are also derived from america's african-based slave legacy. both are african-american cuisines from the slavery era.

explanation:

the correct answer is b