When a group of separate companies comes together to work together in order to control production and prices they are called

This would be a cartel: when a group of companies works together to control the market through price fixing or limiting supply in order to maximize their mutual benefit. A well-known example is OPEC (Organization of Petroleum Exporting Countries), which decides how much oil to produce and at what price.

the real gdp increased by 4.1%

explanation:

might not be right, i think i'm correct, but i might be thinking of last quarter

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.