Point)
Bacon's rebellion seemed to demonstrate to colonial authorities that

poor whites and poor blacks could be united in a cause.

Explanation:

Bacon's rebellion was against Berkeley, the Governor of Virginia at the time. Bacon, who gathered various disgruntled people  (both poor white and poor  black) to join his cause to fight injustice and betrayal of Berkeley who according to Bacon, has sold them to the barbarous heathen. In his attempts, the militia group led by Bacon burned down the Jamestown, send Governor Berkeley away, and terrorized his supporters.

Even though, Bacon died a sudden death after the incidence. Bacon's rebellion seemed to demonstrate to colonial authorities that "poor whites and poor blacks could be united in a cause."

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )