complex
A free market society.
A system where a country will have both fixed and floating foreign exchange rates at the same time, and both can be used when exchanging currencies in that country. In this situation, the market is divided into any number of segments, each with its own exchange rate. Preferential exchange rate is the one which give preferential treatment to people dealing with goods and products that are the most important to the country; people importing these goods can be given a better exchange rate than people who are importing goods that are not as necessary for the country.
The salesman or woman :)
are the group of people provide goods and services in exchange of money or to get profit
a trading post
commerce ?
The Columbian Exchange
complex
To transport goods, supplies, and people up and down a river.
Because people want to trade goods.
Bartering
acceptable
Well if you are talking around the world they mostly shipped food supplies and goods like jewlery and home goods.
A free market society.
because they had the columbian exchange; columbian exchange is a global exchange of goods and ideas
The Age of Exploration