Since there are no answer choices, i'm going to have to say a Steamship
The correct answer is the Influenza Pandemic.
This Influenza (flu) Pandemic killed between 20 and 100 million people (estimates differ) - more than the war itself!
The source of the Pandemic is still not known, and people suggest such places as the US, China and France.
Cotton was the leading crop raised in south at the time of the civil war
It’s the second one I believe
Martin Luther King Jr was a leader of a civil rights movements that wanted equality and freedom be granted to all races equally.
He is best known for holding PEACEFUL protests
hope this helps