81.   They were originally African slave songs, transformed by Portuguese sailors to express their own ache from the loneliness and danger of a life at sea.

82.   U.S. troops were welcomed by many islanders, most descendants of Spanish colonists and African slaves who expected the Americans to give them independence.

83.   With eloquent anger Clarke recounts how successive Spanish, French and British masters imported shiploads of African slaves to harvest sugar.

84.   The movement is strong among descendants of African slaves shipped to the Caribbean.

a. + slave >>共 188
former 20.81%
african 10.59%
freed 8.45%
black 5.55%
runaway 4.67%
fugitive 3.40%
escaped 2.90%
american 2.65%
virtual 2.40%
nazi 1.26%
african + n. >>共 1089
country 17.78%
nation 11.89%
leader 7.13%
state 2.70%
tour 1.81%
force 1.65%
continent 1.27%
government 1.23%
woman 0.99%
head 0.95%
slave 0.90%
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