A bc he emphasized the historical background & nature as well as the events of Pearl Harbor
This would be a perfect example of the system of barter as you are trading one book for the other. You can see from here what barter is, a trading system which involves direct exchange of goods without some kind of medium of exchange, for example money. Services can also be traded this way.
Answer: B. Team sponsorship
Explanation:
Team sponsorship is the scenario where companies both big and small try to promote their business with teams, by the flagging their logo, on their shirt, on their facilities or anywhere around their sporting centres to be advertised, so people are aware of their product which creates room for more sales for them. Companies with small marketing budget can promote their product with team sponsorship which will give room for small budget companies too.
