True. Yes because every religious boy in Christianity has it own explanation to account of the God and different ideology.
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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:
Boston and New Orleans are both as port cities
The answer is a because it stands for communication