What type of economics made Nigerians thrive from 1619-1865?

What would lead a historian to consider two events to have a relationship of correlation rather than causation

Alot of points! ! what was the greatest achievement of el libertador, simón bolívar? a. he became a military strongman in peru. b. he freed venezuelans from spanish rule. c. he bernardo o'higgins liberate chile. d. he united mexicans of all races against spain.

How did the supreme court decision in the slaughterhouse cause an affect american business