What was used to connect the east to the west?

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Peggy feels sorry for smokers who have lung cancer because she believes they were duped by tobacco companies to develop a deadly addiction and are therefore not responsible for their disease. when asked to donate money to support lung cancer research, peggy gives generously. peggy’s prosocial behavior can best be explained by the arousal: cost-reward model. the negative state relief model. a norm of equity. attributions of responsibility.

What primary role of regulatory agencies is the article excerpt referring to check all that apply