How might several countries all described as federations differ in practice?

In an industry in which there are several providers of a type of good, why can one business not charge much higher prices for their goods?

The threat of foreign intervention to restore louis xvi to the throne caused the french revolution to ?

What do sellers do if they expect the price of goods they have for sale to increase dramatically in the near future? store the goods indefinitely regardless of when the price rises store the goods until the price rises and then try to sell them sell the goods now and try to invest the money instead of resupplying sell the goods now but try to get the higher price for them