Give e examples of scared goods or service

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power

b: the exchange of coined money

the answer is d because for c the actors can't love acting for the other's audience their not even in the same show, it can't be b either because the question is talking about the actors not the audience, and it can't be a because   it's not specific enough