They didn't trade with Native Americans anything that was valuable. Trade beads were used for the furs that were trapped.
Beaver (fur)
The leading country to produce tulips is Holland.
Rutherfordium is not a commercial product.
One product of Holland Mines is sand and gravel. Holland Mines operates in many states and is a leader in the production of sand and gravel for building roads.
Diamonds
Oxygen.
because it was
Sugar Cane
No, it was actually silk.
Say one person sold tea in England and another sells it in America. the person in England would get richer than the person in America because England people drink more tea than Americans.
Is the Epson R1800 a valuable product? Well...that depends on who is buying it! This particular model has been discontinued and replaced with the R1900. This model of printer is an award winning printer that can accomodate different paper textures.
Informational text is valuable to a reader.