Answer:
wool
banking
architecture
Greek and Roman
Explanation: for the dude in the comments :]
<em>Postal Service mail carriers deliver mail to homes and businesses in cities, towns, and rural areas. Most travel established routes, delivering and collecting mail. Carriers cover their routes by foot, vehicle, or a combination of both.</em>
Explanation:
A developed country (or industrialized country, high-income country, more economically developed country (MEDC)) is a sovereign state that has a high quality of life, developed economy and advanced technological infrastructure relative to other less industrialized nations. Most commonly, the criteria for evaluating the degree of economic development are gross domestic product (GDP), gross national product (GNP), the per capita income, level of industrialization, amount of widespread infrastructure and general standard of living.
MARK ME BRAINLIEST THANKS MY ANSWER PLEASE
The correct answer is individual ethics. Individual ethics
or personal ethics focuses more on an individual’s own belief about right and
wrong and even morality in which they are also likely to be affected by factors
such as family, peers and even upbringing in general.
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.
