The landscape in the areas under Muslim control from the 7th Century changed radically. Their rich contributions are most notable within the fields of irrigation, farming techniques, encyclopaedic works in botany, and the introduction new plants and crops.
Well, this is very easy, first up; what's a fugitive?
A fugitive is a person that has escaped a place/or is in hiding;to avoid arrest/persecution.
So traveling by wagons,railroads,and walking makes sense. Except for one, slave ships, that makes no sense at all. Why would fugitive slaves travel on "slave ships?"
It is C. Colonel Mackenzie.