When one store stays open late to gain an advantage, its competitors begin to stay open late, too. at this point the first store is no better off than it was before, but now every store has additional expenses. this illustration is an example of, what frank and cook call a positional arms race?

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

a system of cooperative federalism emerged, as the powers of the federal government expanded.