1.   Later, the French took over and imported slaves from Africa to farm their plantations.

2.   The Portuguese imported slaves from Africa to heave bales onto sailing schooners.

3.   They also imported slaves.

4.   They set up sugar plantations and imported African slaves whose descendants form the majority of the population today.

v. + slave >>共 121
free 13.37%
own 13.07%
keep 4.56%
portray 2.74%
buy 2.43%
sell 2.43%
have 1.82%
hold 1.82%
bring 1.82%
include 1.82%
import 1.22%
import + n. >>共 617
goods 4.96%
product 3.63%
oil 2.57%
car 2.25%
drug 2.07%
food 1.88%
part 1.65%
equipment 1.61%
rice 1.61%
most 1.52%
slave 0.18%
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