I think that is it safe to say (I mean by this: check if it's among your options) that both individual and international trade are voluntary exchange of goods -both parties have to agree on it without being forced to it. Also they should be mutually beneficial - otherwise the two parties would have have agreed!
No idea how this is social studies most likely items that are expensive would be taxed higher the government would be like oh yes this person has money to buy expensive things make them pay more
The correct answer is using a combination of humility and humor.
Explanation: This would be a way to show that the event is special, it will also make the audience feel special. In this sense, this type of introduction helps people to feel closer to the speakers because it is easier to connect with someone who seems grateful.
