Brazil exports iron ore, petroleum, soybeans, raw sugar, poultry, soybean meal, coffee, corn, and aircraft.
Brazil nuts
They refused to sell goods to them.
Brazil is a large country which conducts business with many different countries.
If you were a country and wanted money you "export" your goods (lets say you specialize in textile [cloth and other fabrics]) so you would basically sell the textile goods to another country, so if brazil wanted those textile goods because they cant make them they would pay you to bring your goods to them.
coffee rubber grain
Merchants certainly did sell their goods at the town market. This was because this was where everyone came to buy and sell goods.
Merchants used to travel around the world to buy and sell goods
Some goods might be oil, gas and uranium.
drums
Two elements of an agreement to sell is what the goods or services are and the price of the goods or services.
In a free enterprise system, enterprises sell goods wherever they want.
Brazil is not a country which imports a lot of goods, but it does import some. Among the things Brazil imports are cars, oil, electronics, and medications.