4. Slave traders
A. captured slaves
B. bought slaves to work on their plantations
C. provided slaves for slave ships
D. none of the above

the

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.

in londan the most because it was one of the growing countries

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.