Why were the early months of world war ii referred to as the “phony war”?

The main reason why the early months of World War II were referred to as the “phony war” was because there were small invasions with no retaliation--just talk about what was to be done. 

high entry costs prevent new producers from entering the market.

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.

It is a! : ) hope that !