In which decade did martin luther king, jr., deliver his "i have a dream speech?

a) 1930s
b) 1940s
c) 1950s
d) 1960s

answer: alexander the great

explanation:

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

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