I think it's NATO because it involves other countries?
According to<em> Chief Justice John Marshall,</em> the answer choice which would be an example of the "intercourse of trade" is:
According to the given question, we are asked to state the answer choice which would be an example of the "intercourse of trade" according to <em>Chief Justice John Marshall.</em>
As a result of this, we can see that intercourse of trade simply refers to the place where business transactions takes place <em>within a local community </em>and based on the definition of Chief Justice John Marshall, <em>a good example</em> of this would be a local barbershop.
Therefore, the correct answer is a local barbershop
Read more intercourse of trade here:
brainly.com/question/8513784
Gold, spices, and rich crops.