What was the role of privateers such as Francis Drake?

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

What do the tuareg culture and the candomblé faith have in common? a. both originated in the south pacific. b. both appropriated cultural traditions from multiple sources. c. both developed close ties with the catholic church. d. both have a long history of religious persecution.

Ow does the point of view used in "battling the digital jolly roger" differ from "the completely free market" and affect the reliability of the article?